,Ri,Royal Institution,royal institute,WfCItXZ7dFo,UCYeF244yNGuFefuFKqxIAXw, Knowledge, channel_UCYeF244yNGuFefuFKqxIAXw, video_WfCItXZ7dFo,2025 is the International Year of Quantum Science and Technology, as marked by the UN, to celebrate 100 years since the birth of quantum mechanics. But quantum science is one of the least diverse areas of science in terms of gender and other protected characteristics.
Jess Wade, a physicist and lecturer in functional materials at Imperial College London, has been fighting the inequality in quantum physics and beyond by creating thousands of Wikipedia pages for women scientists. Jess joins us this month to discuss the past, present, and future of quantum science along with what can be done to increase diversity within the field.
Ri Science Podcast episodes are released on the last Wednesday of every month. Subscribe wherever you get your podcasts to be notified as soon as episodes are released!
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Jess Wade is a British physicist in the Blackett Laboratory at Imperial College London, specialising in Raman spectroscopy. Her research investigates polymer-based organic light emitting diodes (OLEDs). Her public engagement work in science, technology, engineering, and mathematics (STEM) advocates for women in physics as well as tackling systemic biases such as gender and racial bias on Wikipedia. Read more about here here: https://en.wikipedia.org/wiki/Jess_Wade
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Producer: Lia Hale
Assistant producers: Katie Mortimer, Isla Nakano
Interviewer: Lia Hale
Music: Joseph Sandy
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,Ri,Royal Institution,royal institute,MdOCu2Gr-0g,UCYeF244yNGuFefuFKqxIAXw, Knowledge, channel_UCYeF244yNGuFefuFKqxIAXw, video_MdOCu2Gr-0g,Join this channel to get access to perks:
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,Ri,Royal Institution,royal institute,PLc0BCjbFcg,UCYeF244yNGuFefuFKqxIAXw, Knowledge,Religion, channel_UCYeF244yNGuFefuFKqxIAXw, video_PLc0BCjbFcg,In the first of his CHRISTMAS LECTURES, Richard Dawkins explores the origins of life. Beginning with a look at our ancestry, he shows how the probability of our existence is very small.
Watch all the lectures in this series here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZwJw3_jDeusmHuVYDdKRpo9
Watch our newest Christmas lectures here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZyQJZLPMjwEoOLdkFBLU2m1
This lecture was filmed at the Ri on 1 December 1991.
These lectures were originally a YouTube member exclusive for our Science Supporters, and now we’re putting them out for everyone to watch. If you can’t wait for them all to be published, get access now by signing up as a YouTube channel member, and help us bring science to more people: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join
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Life grows up in the universe by gradual degrees of evolution. Billions of years ago, there existed a vast population of bacteria. But it was only an elite group of these bacteria that evolved to become humans. In truth, we are lucky to be alive.
In the first of his CHRISTMAS LECTURES, Richard Dawkins explores the origins of life. Beginning with a look at our ancestry, he shows how the probability of our existence is very small. Becoming an ancestor is much more difficult than simple reproduction, and Richard reveals how our ancestors did what it took to survive and pass on their genes.
But although some of our life must be devoted to perpetuating it, surely there must be more to it? Richard explores the role of art and culture in society, and examines how the capabilities of the human body have enabled us to accomplish complex tasks.
When it comes to our understanding of the meaning of life, science is important. As Richard explains, science can help us uncover both when we arrived on this planet, and why we are here. Some people turn to the supernatural for the answer to such questions. Richard looks at the limitations of beliefs in the supernatural and uses a cannonball to prove why instead we should have faith in science and its predictions.
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About the 1991 CHRISTMAS LECTURES
The world-famous evolutionary biologist Richard Dawkins presents the CHRISTMAS LECTURES on "our own growing knowledge of how life grows up in the universe."
Just as children grow up to be adults, so too does life gradually evolve on a planet over thousands of generations, to move from “nonliving simplicity” to become “living complexity”.
Combining beautiful writing with a range of illuminating demonstrations, the series featured a variety of wildlife, a virtual reality Lecture Theatre, and special guests – including the late Douglas Adams reading an excerpt from The Hitchhiker's Guide to the Galaxy.
Find out more about the Ri CHRISTMAS LECTURES here: https://www.rigb.org/christmas-lectures
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,Ri,Royal Institution,royal institute,sO5adbV_mu8,UCYeF244yNGuFefuFKqxIAXw, Knowledge, channel_UCYeF244yNGuFefuFKqxIAXw, video_sO5adbV_mu8,Watch the Q&A for Sean Carroll's lecture on Einstein's equation explaining spacetime. You can watch the original lecture here: https://youtu.be/BRudidBcfXk
The original lecture and this Q&A were recorded at the Ri on Monday 14 August 2023.
Our lecture Q&As are usually a perk for our YouTube Science Supporters, as a thank you for helping us bring science to more people, but we're publishing this one for everyone as Sean's talk has been so popular.
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,1,Join this channel to get access to perks:
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,1,To celebrate National Cheese Day earlier this month, we sat down with biochemist and cheese expert Bronwen Percival to look under the barrel at the science of one of the nation’s favourite foods. From the basics of cheese production to the biochemistry underlying its notorious smell, and even some cheese tastings, this video podcast episode guarantees to open your eyes to the captivating world of cheese.
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0:00 Introduction
0:58 The basics of cheese
3:15 The fermentation process
4:44 The power of salt
5:20 Cheese tasting
6:35 Why does cheese smell?
9:15 The history of cheese
10:45 Tasting St James cheese
13:07 How do we choose the right microbes?
16:11 What can we learn from cheese
20:06 The ‘goaty’ flavour of Goat’s cheese
21:23 The biggest threat to artisanal cheese
26:20 Becoming a cheese scientist
Bronwen Percival is the cheese buyer for Neal’s Yard Dairy in London. In addition to working with cheesemakers and the company’s maturation team to select and optimize the quality of the cheese they sell, she works to mobilize collaboration between cheesemakers and the scientific community. In 2012, she instigated a biennial conference on the Science of Artisan Cheese. In early 2014, she spent two months in the Dutton Lab at Harvard University studying the role of marine-associated Proteobacteria on cheese rinds. Along with Dr. Benjamin Wolfe, she co-founded the website MicrobialFoods.org, a scientific resource for producers, purveyors, and enthusiasts of artisan microbial foods, and more recently she served on the editorial board of the Oxford Companion to Cheese.
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,1,Paranormal experiences often appear perplexing, but are they genuinely legitimate phenomena?
Watch the Q&A here (exclusively for our YouTube channel members): https://youtu.be/Zpe5V4PoISE
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Buy Chris's book 'The Science of Weird Shit' here: https://geni.us/Jx8w
This talk was recorded at the Ri on 22 April 2024.
Join Chris French, psychologist and expert on all things paranormal, as he reveals the cardinal truths behind everything from ghostly encounters and alien abductions, to UFO sightings and near-death experiences. By employing rigorous scientific methods, Chris will embark on a search for the truth behind these mystical occurrences.
Chris' intellectual journey carries us through the debunking of extrasensory perception (ESP), endeavours to communicate with the departed, and even accounts of alien abductions, among other curious occurrences. These phenomena also offer a profound insight into the intricacies of human cognition and consciousness, and should be systematically studied accordingly. By employing an academic, comprehensive, logical, and occasionally mathematical approach, Chris demystifies what once seemed beyond explanation. Allow yourself to discover the overlap between belief, the human mind, and the mysteries that continue to intrigue and perplex us.
00:00 Intro
1:29 What is anomalistic psychology?
3:33 Testing paranormal claims: baby psychic
10:40 Testing paranormal claims: dream detective
21:02 Testing paranormal claims: sensing the future
24:58 The replication problem in psychology
27:59 Why study paranormal psychology?
29:25 Demo: The unreliability of memory
32:20 Inattentional blindness of witnesses
37:44 Spoon bending and memory conformity
42:59 How false memories can be implanted
48:19 Alien experiences, sleep paralysis and hypnosis
54:28 Top down processing and pareidolia
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Chris French is the Head of the Anomalistic Psychology Research Unit in the Psychology Department at Goldsmiths, University of London. He is a Fellow of the British Psychological Society and of the Committee for Skeptical Inquiry and a Patron of the British Humanist Association. He has published over 150 articles and chapters covering a wide range of topics. His main current area of research is the psychology of paranormal beliefs and anomalous experiences. He frequently appears on radio and television casting a sceptical eye over paranormal claims.
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,1,Unravel the profound mysteries of the universe's explosive birth.
Watch the Q&A here (exclusively for our YouTube Channel Members): https://youtu.be/lHh0692c2is
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This talk was recorded at the Ri on 26 April 2024.
Just a century ago, observational evidence established the existence of other galaxies besides our own. Soon afterwards, it was discovered that the Universe is expanding, driving a profound change in our understanding of the cosmos. In 1998, the prevailing cosmological paradigm was again upended by the discovery that the Universe's expansion is accelerating.
Since then, the remarkable progress in cosmology, spanning Peiris's research career, has been driven by the close interplay between theory and observations. Observational discoveries have led to a Standard Model of cosmology with ingredients not present in the standard model of particle physics – dark matter, dark energy, and a primordial origin for cosmic structure. The physical nature of these ingredients remains a mystery. The race to unravel this cosmic puzzle is now underway, motivating a new generation of ambitious sky surveys across the electromagnetic spectrum and using new messengers such as gravitational waves.
Peiris describes some highlights from her journey through this rapidly changing cosmological landscape in this discourse. She also discusses how laboratory experiments are helping us test new fundamental physics paradigms developed to explain cosmological observations.
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00:00 Intro
1:30 How do we know about the universe?
7:55 Tracing the light of galaxies
13:00 The Legacy Survey of Space and Time (LSST)
16:53 Mapping dark matter with gravitational lensing
22:30 How do we know how far away galaxies are?
32:03 Using machine learning to explore galaxies
35:50 Detecting dark matter in the lab
46:31 The Universe on a table-top
54:58 Condensed matter experiment and cosmology
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Hiranya Peiris holds the Professorship of Astronomy (1909) at Cambridge, the first woman to do so in the 115-year history of this prestigious chair. As a cosmologist, she delves into cosmic mysteries at the edge of our understanding, reaching back to the very first moments of the Universe after the Big Bang, often treading the path of high risk and high reward. She is noted for interdisciplinary research bridging fundamental physics with astronomical data. Peiris recently contributed to the anthology “The Sky Is For Everyone” and works to reach beyond traditional audiences for public engagement, including through science/art collaborations and live science/music events. Her work has been recognised by awards such as the Max Born Prize of the German Physical Society and the Institute of Physics (2021), the Eddington Medal of the Royal Astronomical Society (2021) and the Breakthrough Prize in Fundamental Physics (2018).
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Discourses are one of the Ri’s oldest and most prestigious series of talks. Since 1825, audiences in the theatre have witnessed countless mind-expanding moments, including the first public liquefaction of air by James Dewar, the announcement of the electron by JJ Thomson and over 100 lectures by Michael Faraday. In more recent times, we have had Nobel laureates, Fields medal winners, scientists, authors and artists – all from the cutting-edge of their field. Discourses are an opportunity for the best and brightest to share their work with the world.
Steeped in nearly two centuries of tradition, a Discourse is more than just a lecture. The Discourse lasts exactly an hour, and a bell is rung to mark the beginning and end. To keep the focus on the topic, presenters begin sharply at 7:30pm without introduction and we lock the speaker into a room ten minutes ahead of the start (legend has it that a speaker once tried to escape!). Some of our guests and speakers dress smartly for our Discourse events to add to this sense of occasion. Read more about Discourses here: https://www.rigb.org/explore-science/explore/blog/history-friday-evening-discourse
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,1,Can we trust stories about the future? Join historian and bestselling author David Christian as he offers an introduction to the strange world of the future.
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This lecture was recorded at the Ri on 20 November 2023.
Every second of our lives - whether we're looking both ways before crossing the street, celebrating the birth of a baby, or moving to a new city - we must cope with an unknowable future by telling stories about what will happen next.
What we think we know about it at all scales, from the predictive mechanisms of single-celled organisms and tomato plants to the merging of colossal galaxies billions of years from now. Drawing together science, history and philosophy from a huge range of places and times, David will explore how we prepare for uncertain futures, including the future of human evolution, artificial intelligence, interstellar travel, and more.
For all those curious about what the world could look like in the next hundred years and what the solutions to the biggest challenges facing us all could look like, this is an unmissable event.
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David Christian is a Professor Emeritus at Macquarie University, where he was formerly a Distinguished Professor of History and the director of the Big History Institute. He cofounded the Big History Project with Bill Gates, his Coursera MOOCs are popular around the world, and he is cocreator of the Macquarie University Big History School.
He has delivered keynotes at conferences around the world, including the Davos World Economic Forum, and his TED Talk has been viewed more than twelve million times. He is the author of numerous books and articles, as well as the New York Times bestseller Origin Story.
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,1,Why are robots so much more complicated to develop than AI software? Find out with 2023 Christmas Lecturer Mike Wooldridge and the Oxford Robotics Lab.
Find out more about the 2023 Christmas Lectures here: https://www.rigb.org/christmas-lectures
Michael Wooldridge is a Professor of Computer Science at the University of Oxford. He has been an AI researcher for more than 30 years, and has published more than 400 scientific articles on the subject. He is a Fellow of the Association for Computing Machinery (ACM), a Fellow of the Association for the Advancement of AI (AAAI), and a Fellow of the European Association for AI (EurAI).
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,1,Science education has been struggling in recent years - how can we change this?
Join Prof. Steve ‘Jake’ Jacobs to explore one way to fix this problem in an interactive, demonstration filled Discourse. Jake’s work takes inspiration from the pioneering work of Michael Faraday, showcasing how practical hands-on science, without the need for expensive equipment, holds the key to reigniting a passion for science.
This Discourse was filmed at the Ri on 1 September 2023.
Jake demonstrates how, using nothing more than things you can find around the house, you can create remarkably simple, yet stunningly revealing science demonstrations. He demonstrates many of these during this Discourse: firing smoke rings across the theatre, moving heavy objects with static electricity, making matter magically disappear, and even igniting a 100 foot tube filled with flammable gas! These activities unlock the secrets of the natural world while honing critical thinking skills. More than educational, these activities stimulate an eager interest in pursuing a life of science learning.
Endorsed by the UN, the qualities of these demonstrations are rooted in the Royal Institution's rich history. Over two hundred years ago, pioneering scientist Michael Faraday began this approach, inspiring and educating generations of students with live science demonstrations. Now, Jake and his team continue this tradition, exhibiting captivating science phenomena with exciting hands-on science.
Watch the Q&A for this talk (exclusively for YouTube Channel members):
Subscribe for regular science videos: http://bit.ly/RiSubscRibe
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Prof. Steve ‘Jake’ Jacobs, is an accomplished scientist, educator, author, international media personality with advanced degrees in mathematics and chemistry. He has built a career out of making science fun and accessible. The former chief scientist of television’s Discovery Channel, Jake has written and presented a series for the Discovery Channel, and also for National Geographic TV and Fox Television where he was the creator and on-air host of the series Jake’s Attic.
As well as over 15 years of classroom teaching & administration, he also has a wealth of experience in science communication. He is Director of Science Education at Children’s Museum of Wichita & Mr. Wizard Studio, Hollywood, as well as Science consultant to Disney, National Public Radio (NPR), the Smithsonian, PBS, Nickelodeon, Paramount Television and FOX Television.
Jake is known in the US as Wizard IV, a title inherited from his predecessors: television’s Mr Wizard, Don Herbert (Wizard III), Hubert Alyea of Princeton University (Wizard II), and the inspirational leader of all science communication wizards, the Royal Institution’s very own Michael Faraday. Jake is currently participating in a worldwide hunt for Wizard V, an aim he wishes to achieve through aim encouraging the next generation to acquire skills enabling them to ‘think as a scientist’, and to apply those skills in everyday living.
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Discourses are one of the Ri’s oldest and most prestigious series of talks. Since 1825, audiences in the theatre have witnessed countless mind-expanding moments, including the first public liquefaction of air by James Dewar, the announcement of the electron by JJ Thomson and over 100 lectures by Michael Faraday. In more recent times, we have had Nobel laureates, Fields medal winners, scientists, authors and artists – all from the cutting-edge of their field. Discourses are an opportunity for the best and brightest to share their work with the world.
Steeped in nearly two centuries of tradition, a Discourse is more than just a lecture. The Discourse lasts exactly an hour, and a bell is rung to mark the beginning and end. To keep the focus on the topic, presenters begin sharply at 7:30pm without introduction and we lock the speaker into a room ten minutes ahead of the start (legend has it that a speaker once tried to escape!). Some of our guests and speakers dress smartly for our Discourse events to add to this sense of occasion. Read more about Discourses here: https://www.rigb.org/explore-science/explore/blog/history-friday-evening-discourse
----
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,1,What are quantum sensors? And how do they enable precision measurements of gravity, inertial forces, and magnetic fields?
Watch the Q&A (exclusively for members) here: https://youtu.be/ylvBYnxeyR4
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This lecture was recorded at the Ri on 29 November 2023, in partnership with The National Physical Laboratory.
Discover how atomic magnetometry is used to monitor the spin of atoms in external magnetic fields and how NPL is supporting the development of portable magnetometers for instance for non-destructive imaging of structural defects. Learn about atom interferometry and how it is being used to measure gravity, linear accelerations, and rotations.
Find out about NPL's leading-edge research in this area, including their work on the measurement behind gravity gradiometers and absolute gravimeters based on a double rubidium atomic fountain, which has advantages over classical devices.
Take advantage of this opportunity to delve into the exciting world of quantum sensors and their applications in precision measurement.
Prof Jan-Theodoor (JT) Janssen FREng FinstP FIET is the Chief Scientist at NPL and a member of the executive team. JT joined NPL in 1998 and is distinguished for the application of quantum technologies and an NPL Fellow in Quantum Electrical Metrology. His research involves a wide range of topics in solid-state physics applied to metrology applications. JT launched the National Graphene Metrology Centre (NGMC), the role of which is to develop metrology and standardisation for the nascent graphene industry. He is also a Scientific Co-Director of the Quantum Metrology Institute (QMI), which covers all of NPL's leading-edge quantum science and metrology research and provides the expertise and facilities needed for academia and industry to test, validate, and ultimately commercialise new quantum research and technologies.
Since 2017, JT has been a member of the NPL Executive team, first as the Research Director, and now as the Chief Scientist. In this role he is responsible for the external scientific engagements with academia and other government organisations and recently also our international activities. He responsible for the Science & Technology Advisory Council (STAC) and Post Graduate Institute (PGI) which NPL jointly runs with the Universities of Strathclyde and Surrey. Internally, he is responsible for the quality and benchmarking of the research outputs of the laboratory and its knowledge management. JT is also the UK delegate for EURAMET the European Association of National Metrology Institutes. JT is the executive sponsor for NPL’s Juno committee, which aims to address gender equality in physics and to encourage better practice for all staff and sponsor of the disability working group. JT is passionate about diversity and inclusion at the laboratory and in STEM more generally.
JT is a Chartered Physicist and Chartered Engineer and a Fellow of NPL, the Institute of Physics (IOP) and the Institute of Engineering and Technology (IET). He is also the NPL Head of Science and Engineering Profession for the Government Science and Engineering Profession (GSE) and a visiting professor at the University of Lancaster. He is the UK representative on EURAMET (European Metrology Organisation) and a member of its Board of Directors. In 2021 JT was elected a Fellow of the Royal Academy of Engineering.
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,1,Hybrid Intelligence (HI) is the combination of human intelligence with artificial intelligence, enabling humans and AI to mutally grow together.
Watch the Q&A here (exclusively for YouTube Channel Members): https://youtu.be/EB8UCoWvROk
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This talk was recorded at the Ri on 24 October 2023, with the support of the Embassy of the Kingdom of the Netherlands.
Catholijn Jonker is full professor of Interactive Intelligence at the Faculty of Electrical Engineering, Mathematics and Computer Science of the Delft University of Technology. Catholijn studied computer science and did her PhD studies at Utrecht University. Catholijn served as the president of the Dutch Network of Women Professors (LNVH) from 2013 to 2016.
Her publications address cognitive processes and concepts such as negotiation, teamwork and the dynamics of individual agents and organizations. In all her research lines Catholijn has adopted a value-sensitive approach.
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,1,Why are batteries so important for our future? Find out from expert Professor Louis Piper of WMG, University of Warwick, and a Principal Investigator at the Faraday Institution.
The Faraday Institution is the UK’s independent institute for electrochemical energy storage research, skills development, market analysis, and early-stage commercialisation.
Bringing together expertise from universities and industry, the Faraday Institution endeavours to make the UK the go-to place for the research and development of new electrical storage technologies for both the automotive and wider relevant sectors.
Find out more here: https://www.faraday.ac.uk/
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,1,What are the ethical issues of moving humanity into outer space? Find out more about the questions we need to answer, with astrophysics engineer Erika Nesvold.
00:00 Frome astronomer to space ethicist
7:21 Why worry about ethics in space?
8:40 How will we live with the space environment?
11:19 Who owns space?
12:57 How will we share space?
17:39 How can we protect the space environment?
19:49 What is there is life in outer space?
23:41 Criminal justice in space - space prisons?
30:35 Dissent and liberty in space
36:41 Medical emergencies in space
42:53 Future generations in space
48:03 Suggestions for how we can live in space
Buy Erika's book here: https://geni.us/WNXZB
Watch the Q&A (exclusively for channel members) here: https://youtu.be/eff857wg4lk
This talk was recorded by the Ri on 10 August 2023.
Incorporating research from ethics, sociology, history, and law, Nesvold brings a unique interdisciplinary mix to this critical topic. From the environment to labour rights and medical ethics, discover the importance of a global conversation on these issues as we move towards a future of multi-planetary habitation.
As space settlement becomes an increasingly pressing reality, Nesvold challenges us to consider not only the scientific and technological aspects of such a venture, but also the ethical implications. Join us for this important and thought-provoking lecture, as we hear from one of the leading voices in the field of space ethics.
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Erika Nesvold has a Ph.D. in physics from the University of Maryland and has performed computational astrophysics research at NASA Goddard Space Flight Center, the Carnegie Institution for Science, NASA Ames, and SETI. She now works as an Astrophysics Engineer for the educational astrophysics software Universe Sandbox. This is a video game, astrophysics simulator, artistic medium, and educational software all in one, and Erika has applied her computational astrophysics expertise to simulate everything from galaxy dynamics to surface water flow. She is the co-founder of the JustSpace Alliance, a nonprofit whose mission is to advocate for a more inclusive and ethical future in space, and to harness visions of tomorrow for a more just and equitable world today. She is the author of Off-Earth: Ethical Questions and Quandaries for Living in Outer Space and the co-editor of Reclaiming Space: Progressive and Multicultural Visions of Space Exploration.
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,1,How do we model the light of galaxies across the universe? Dive into the world of Stellar Population Models.
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This talk was recorded at the Ri on 9 October 2023.
These models observe the spectro-photometric and mass properties of galaxies, and have found widespread applications in astrophysics and cosmology, providing us with the tools to study galaxy formation and evolution both theoretically and through data interpretation.
Claudia will explore how Stellar Population Models are developed, using leading-edge techniques to predict the properties of stars and their evolution over time. You'll discover how these models are used to study the formation and evolution of galaxies, shedding light on the mysteries of the Universe and its origins.
Whether you're an astrophysics enthusiast or just curious, this talk promises to be a fascinating journey through one of the most exciting fields in modern science. So, join us as we unravel the secrets of the cosmos and explore the frontiers of our understanding of the Universe.
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Claudia Maraston is the UK's top ranked female physicst. She is a Professor of Astrophysics at the University of Portsmouth.
Claudia obtained her PhD in Astrophysics at the University of Bologna, leading to post-doctoral fellowships at the Ludwig-Maximillian University of Munich and the Max-Planck Institute for extra-terrestrial physics (MPE) in Garching (Germany). She was awarded a Marie-Curie fellowship in 2005 which she spent at the University of Oxford, before joining the University of Portsmouth in 2007 as the recipient of the Marie-Curie Excellence Team Grant.
Claudia designs models for the calculation of spectro-photometric evolution of stellar populations, which are used as a tool to study galaxy formation and evolution both theoretically and through data interpretation. She is the winner of the 2018 Royal Astronomical Society Eddington Medal.
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,1,'How to build an intelligent machine' - Professor Mike Wooldridge explores the nature of artificial intelligence. By using experiments and demonstrations, he investigates how AI learns and what it can do.
This is the first of the 2023 Christmas Lectures from the Royal Institution, supported by CGI, on the theme 'The Truth About AI'.
With thanks to contributors Aidan Meller, Sarah de Lagarde, Arjuna Nagendran (NHS), Bit Bio, Steve Mould, Justin Grayston (Google), Safa Abbas, Seraphina Goldfarb-Tarrant (Cohere), Tom Mustill.
We've republished this video as the original version had some glitches in it.
Watch the second lecture here: https://www.youtube.com/watch?v=Ib9cCztutBo
Watch the third lecture here: https://youtu.be/B3IeRplsYXw
In the 2023 CHRISTMAS LECTURES, supported by CGI, Mike Wooldridge will tackle the most important and rapidly evolving field of science today – Artificial Intelligence (AI). Find out more about the lectures here: https://www.rigb.org/christmas-lectures
Not since the World-Wide Web emerged 30 years ago has a new technology promised to change our world so fundamentally and so swiftly as AI does. Today’s AI tools such as ChatGPT and AlphaGo are just a hint of what is to come. The future of AI is going to be quite a journey, and the 2023 CHRISTMAS LECTURES give us a guided tour.
AI has increasingly grabbed the headlines in recent years – generating excitement and concern in equal measure – but what should we believe? In these lectures Mike will reveal how AI works and how it will affect our lives – and will tackle head-on our hopes and fears for this most fascinating of fields.
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Mike Wooldridge is an academic and author specialising in Artificial Intelligence (AI).
As an academic, he is a professor of AI at the University of Oxford, where he served as Head of Department of Computer Science from 2014 to 2021; he is also Director for AI at The Alan Turing Institute in London. He has received multiple awards for both research and education, including in 2020, the Lovelace Medal from the British Computer Society – the leading award for a UK computer scientist – and in 2021 the Outstanding Educator Award from the Association for the Advancement of AI (AAAI).
From 2014-16, Mike was President of the European Association for AI, and from 2015-17 he was President of the International Joint Conference on AI (IJCAI). He is currently Editor-in-Chief of Artificial Intelligence, the leading journal for AI, established more than 50 years ago and has been invited to give evidence on matters relating to AI to multiple government committees.
As an author, he has written nine books, which have been translated nine times. His books include two popular science introductions to AI: the Ladybird Expert Guide to AI (Penguin, 2018) in the iconic British book series, and The Road to Conscious Machines (Pelican, 2020).
Mike gives frequent public lectures on AI, including at the Hay Festival and Cheltenham Science Festival and is regularly interviewed by the media.
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,1,Explore and delve into fusion energy's complex scientific underpinnings.
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This lecture was filmed on the 21 October 2023, in collaboration with the UK Atomic Energy Authority (UKAEA).
Join us for a captivating academic discourse on the need for fusion energy, where audiences are invited to explore and delve into fusion energy's complex scientific underpinnings.
Mark Maslin, a preeminent researcher from UCL, talks about the interplay between fusion energy's development and its positioning in the broader energy market. Dennis Whyte, a respected scholar from MIT, delves into the formidable complexities of plasma physics, a crucial aspect of the fusion process. And Jenny Cane from UKAEA, an expert in fusion engineering, demonstrates the importance of integrated design and materials research in fusion energy development.
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Jenny Cane is the Technical Lead for the STEP In-Vessel Components, responsible for the design and performance of the systems that lay closest to the plasma – the Blanket, First Wall, Divertor, Shielding, Limiters and Vacuum-Vessel. After graduating from a DPhil in the Aerodynamics and Heat Transfer of Ramjet Engines at Oxford University Jenny decided to move into renewable energy engineering and spent 7 years at the Wind Turbine manufacturer – Vestas, working as a control; project; and aerodynamics engineer both in the UK and the USA. Jenny began working as an thermo-hydraulics engineer at UKAEA in 2013 working on the JET safety case. She then moved into a lead engineer role for JET as it prepared for the record breaking deuterium-tritium campaigns; before moving to the STEP programme in 2019. She is a Fellow of the Institute of Mechanical Engineers, has two children and enjoys, running, cycling, tap dancing and gardening in her spare time.
Mark Maslin FRGS, FRSA is a Professor of Earth System Science at UCL and the Natural History Museum of Denmark. He is also Strategy Advisor to Lansons, Net Zero Now, a CSR Board member of Sopra Steria and a member of the Climate Crisis Advisory Group. He is a leading scientist with particular interest in understanding climate change and the major challenges facing humanity in the 21st century. He has published over 190 papers in journals such as Science, Nature, and The Lancet. He has received research, consultancy and training funding worth over £75m from government, charities, NGOs and the private sector. He was the only climatologist on the original 2009 The Lancet report on climate change and global health and is a co-author on the annual Lancet Countdown reports that started in 2015. Mark has written 10 books and 100 popular articles (e.g., New Scientist, Independent, Guardian, Telegraph, New York Times and The Conversation on which he currently has over 5.5 million reads). He regularly appears on radio and television, including BBC One David Attenborough’s ‘Climate Change: the facts’. His books include ‘Climate Change: A Very Short Introduction - 4th edition’ (2021), ‘The Cradle of Humanity’ (2019), ‘The Human Planet’ with Simon Lewis (2018) and his latest book is ‘How to Save Our Planet: the Facts’ (2021). Mark was recently named the Number 1 Global Sustainability thought leader and influencer of 2023.
Tim Bestwick is Chief Development Officer and Deputy CEO at the UK Atomic Energy Authority. Tim joined UKAEA in 2018 after leading commercialisation and innovation from big science programmes and campus development at Harwell and Daresbury. Following a career in corporate research in electronic devices and optoelectronics - including IBM and Sharp - Tim has been involved in establishing and growing multiple technology start-up companies. He was Chair of the Eureka Network, the major international business to business innovation network and is Chair of the Harwell Science and Innovation Campus. Tim was awarded an OBE in the King’s Birthday Honours List in 2023 for services to the commercialisation of science, technology, and innovation.
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,1,'The future of AI: dream or a nightmare?' Professor Mike Wooldridge is joined by leading experts to grapple with the future of AI. What opportunities and dangers lie ahead as AI continues to evolve?
This is the third of the 2023 CHRISTMAS LECTURES from the Royal Institution, supported by CGI, on the theme 'The Truth About AI'.
With thanks to contributors Paul Newman (Oxa), Elke Schwarz (Queen Mary University), Maurice Fallon (Oxford Robotics Institute), Sue Black (Durham University), Vian Bakir (University of Bangor), Hassun Ugail (University of Bradford), Kate Devlin (King's College London), Alisa Patotskaya (Immersive Fox), Perla Maiolino (University of Oxford), Stuart Russell (University of California, Berkeley).
Watch the first lecture here: https://youtu.be/l0gZAlZgI34
Watch the second lecture here: https://youtu.be/Ib9cCztutBo
In the 2023 CHRISTMAS LECTURES, supported by CGI, Mike Wooldridge will tackle the most important and rapidly evolving field of science today – Artificial Intelligence (AI). Find out more about the lectures here: https://www.rigb.org/christmas-lectures
Not since the World-Wide Web emerged 30 years ago has a new technology promised to change our world so fundamentally and so swiftly as AI does. Today’s AI tools such as ChatGPT and AlphaGo are just a hint of what is to come. The future of AI is going to be quite a journey, and the 2023 CHRISTMAS LECTURES to be broadcast on BBC Four and iPlayer in late December, will give us a guided tour.
AI has increasingly grabbed the headlines in recent years – generating excitement and concern in equal measure – but what should we believe? In these lectures Mike will reveal how AI works and how it will affect our lives – and will tackle head-on our hopes and fears for this most fascinating of fields.
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Mike Wooldridge is an academic and author specialising in Artificial Intelligence (AI).
As an academic, he is a professor of AI at the University of Oxford, where he served as Head of Department of Computer Science from 2014 to 2021; he is also Director for AI at The Alan Turing Institute in London. He has received multiple awards for both research and education, including in 2020, the Lovelace Medal from the British Computer Society – the leading award for a UK computer scientist – and in 2021 the Outstanding Educator Award from the Association for the Advancement of AI (AAAI).
From 2014-16, Mike was President of the European Association for AI, and from 2015-17 he was President of the International Joint Conference on AI (IJCAI). He is currently Editor-in-Chief of Artificial Intelligence, the leading journal for AI, established more than 50 years ago and has been invited to give evidence on matters relating to AI to multiple government committees.
As an author, he has written nine books, which have been translated nine times. His books include two popular science introductions to AI: the Ladybird Expert Guide to AI (Penguin, 2018) in the iconic British book series, and The Road to Conscious Machines (Pelican, 2020).
Mike gives frequent public lectures on AI, including at the Hay Festival and Cheltenham Science Festival and is regularly interviewed by the media.
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,1,Look forward to this year's CHRISTMAS LECTURES, given by Mike Wooldridge, available on iPlayer for those in the UK, and on this channel from 29 December 2023 for those outside the UK.
More about the CHRISTMAS LECTURES here on our website: https://www.rigb.org/christmas-lectures
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,1,Ri favourite and science icon Andrew Szydlo takes you on a tour of the amazing, and sometimes explosive, chemistry of sulfur.
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This talk was recorded at the Royal Institution on 2 December 2023.
Discover more about the history of this curious element, from it’s discovery in 2000BCE to the present day, recreating some long-lost experiments along the way.
Sulfur has played an important role in science and culture over thousands of years, from creating gold, extracting metals and even creating sweets! Andrew explores the amazing 4000 year history of this fascinating element in his usual inimitable style, and of course with a desk filled with exciting chemical demonstrations.
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Andrew Szydlo is a chemist and secondary school teacher at Highgate School, well-loved by pupils and Ri attendees alike. He has given public lectures around the country, been featured on TV shows and has become a popular part of the Ri's YouTube channel in recent years, where his videos have over 16 million views in total.
When Andrew started giving chemistry lessons to friends some 50 years ago, he would bring a pocket-full of chemicals to illustrate the principles of chemistry.
Today, these chemistry lessons have evolved into demonstration lectures which he gives to audiences in a wide variety of locations. During the past 40 years he has given over 500 talks, in addition to teaching chemistry full-time at Highgate School in London. Today he is still based at Highgate School, delivering chemistry lectures to local schools.
The Royal Society of Chemistry included Andrew as one of their 175 Faces of Chemistry.
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,1,There are two main approaches to AI - symbolic AI, and neural networks. Find out more with Mike Wooldridge.
The theme of this year's famous CHRISTMAS LECTURES from the Ri is 'The Truth About AI'. Find out more about the CHRISTMAS LECTURES here: https://www.rigb.org/christmas-lectures
Michael Wooldridge is a Professor of Computer Science at the University of Oxford. He has been an AI researcher for more than 30 years, and has published more than 400 scientific articles on the subject. He is a Fellow of the Association for Computing Machinery (ACM), a Fellow of the Association for the Advancement of AI (AAAI), and a Fellow of the European Association for AI (EurAI).
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,1,Hear more from the 2023 CHRISTMAS LECTURER, Mike Wooldridge, as he explains what Artificial Intelligence is.
This year's CHRISTMAS LECTURES are on the theme 'The Truth About AI' - find out more at https://www.rigb.org/christmas-lectures
Initiated by Michael Faraday when organised education for children was scarce, the CHRISTMAS LECTURES established an exciting new way of presenting science to young people. World-famous scientists have given the Lectures, including Nobel Prize winners William and Lawrence Bragg, Sir David Attenborough, Carl Sagan and Dame Nancy Rothwell.
First broadcast in 1936, the CHRISTMAS LECTURES is the oldest science television series. They have been broadcast every year since 1966 on the BBC and in later years on Channel Five, Channel Four and more4. In 2010, the Lectures returned to BBC Four, and this year will be broadcast on BBC FOUR and iPlayer from the 26th December. If you're outside the UK, we'll be uploading them to this channel in late December.
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,1,What can fractal patterns tell us about how cities are formed and grow? And can you use complexity science to predict voting patterns based on infrastructure?
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Complexity science teaches us that "more is different," meaning that interacting parts, for example, people, give rise to new and unexpected properties. Despite cities being often seen as opposite to nature, discover that they share many similar processes with natural systems.
In this lecture, Elsa Arcaute explores fascinating connections, such as how the structure of leaves can help us understand the layout of cities, how urban footprints left over thousands of years resemble the organisation of the brain, and whether there is a collective urban memory that influences socio-economic trends like inequality. Additionally, we will question whether these resemblances are the outcome of our fractal nature.
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Elsa Arcaute is Professor of Complexity Science at the Centre for Advanced Spatial Analysis. Her research focuses on modelling and analysing urban systems from the perspective of complexity sciences. Her main branches of research are urban scaling laws, hierarchies in urban systems, defining city boundaries, and the analysis of urban processes using percolation theory and networks.
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,1,Legendary physicist Carlo Rovelli describes what a black hole looks like.
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,1,Delve into the fascinating and delicate realm of timekeeping. Discover how atomic clocks have replaced the Earth as our time reference and how the present and future challenges in measuring and delivering time are met by the home of UK time, the National Physical Laboratory (NPL).
00:00 Intro to time measurement
3:14 How timekeeping was standardised
8:37 The atomic clock revolution
12:11 How is time now measured with UTC?
19:02 Why is accurate time needed by the finance sector?
21:07 Accurate time stamps prevent stock market crashes
28:03 How NPL supports the financial sector
33:11 Why time is a hidden utility for GPS
37:26 The risks of position, navigation and timing dependency
40:37 The future of the time scale
43:57 A nationwide timing infrastructure
46:43 Optical atomic clocks for the future
48:04 How do atomic clocks work?
55:05 The extreme accuracy of optical clocks
1:01:19 Redefining what a second is
Join our YouTube channel membership and get access to the Q&A for this talk here: https://youtu.be/A5xImb19Yxg
This lecture was recorded at the Ri on 26 October 2023.
We kick off with Peter Whibberley, a senior scientist with many years experience exploring the world of timekeeping. Peter takes us on a brief journey through the history of time, explaining how the national time scale is created today, and how it is a key part of the global collaboration that creates the precise time and frequency measurement on which life and business relies today.
Resilient time signal dissemination from the national time scale is crucial to NPL's mission, ensuring traceable timestamping and time synchronisation across industries, enhancing market clarity in the financial sector, and enabling regulatory forensics in the event of a crash. Elena Parsons will share valuable insights into how NPL spearheads the delivery of resilient time signals, granting industry access through innovation and service nodes. Gain a deeper understanding of the vital role played by NPL in maintaining accurate and reliable timekeeping.
Looking to the near future, Leon Lobo, a visionary in the field, shed slight on what lies ahead for the world of timekeeping. Exploring the strategies and innovations aimed at future-proofing resilient time, mitigating our over-reliance on weak and vulnerable signals from space-based global navigation satellite systems such as GPS. Learn about the leading-edge initiatives spearheaded by NPL to ensure timekeeping remains robust and adaptable in an ever-changing world.
Lastly, looking even further ahead at developments in precision timekeeping, we close the lecture with Rachel Godun, a principal scientist in the field, who unveils NPL's research programme into next-generation optical atomic clocks. Discover how these clocks will improve the performance of future time scales and are so accurate that they will even be used to redefine the unit of time itself.
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,1,What's the history and science behind the pursuit of the ghostly subatomic particle, the neutrino?
Watch the Q&A (exclusively for channel members) here: https://youtu.be/IBnN26eKnLY
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This lecture was recorded on 17 August 2023.
With approximately 100 trillion neutrinos passing through us every second, these particles hold the key to unlocking some of the Universe's greatest mysteries. From the discovery of neutrinos and their role in illuminating the Universe through neutrino telescopes to the challenges of detecting this elusive particle, this lecture explores the science behind the ghost particle.
Additionally, we will explore the potential of neutrinos to answer some of the biggest questions in the universe, including the composition of dark matter and the Universe's origin. This is a unique opportunity to gain a deeper understanding of the science behind the neutrino and its impact on our understanding of the cosmos.
00:00 A revolution in astronomy
4:58 What exactly is a neutrino?
6:13 Where do neutrinos come from?
8:55 Nils Bohr and the Beta decay conundrum
12:14 Hans Bethe and the invisible particle solution
15:24 How NOT to find a neutrino
21:27 On the hunt for solar neutrinos
25:48 Three flavours of neutrinos
28:16 Neutrino oscillation and how it works
31:18 Probing the inside of the earth
34:47 Using neutrinos for astronomy
38:47 Matter over Antimatter
46:09 Could aliens communicate using neutrinos?
52:50 Looking at the birth of the universe
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James Riordon is a science journalist who has written for Science News, Scientific American, New Scientist, Popular Science, Washington Post, Science, Ad Astra, Physics Today, and Analytical Chemistry. He is a past President of the DC Science Writers Association and Cofounder of the Southwest Science Writers Association.
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,1,Journey into the enigmatic depths of a black hole, with beloved physicist Carlo Rovelli.
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This talk was recorded at the Ri on 27 October 2023.
00:00 Intro
3:35 Why do black holes appear circular?
6:05 Travelling into a black hole
10:34 The space inside a black hole
18:50 The quantum properties of gravity
24:06 Loop quantum theory
27:42 Quantum jumps and white holes
32:49 Going beyond Einstein’s theory
34:46 How long does a white hole take to form?
39:51 How do we prove the white hole theory?
45:22 Dark matter and the crisis in physics
49:48 Can we detect white holes?
52:24 Science as mind travel
Step beyond the event horizon of a black hole, and descend into the infinite abyss, where geometry folds and equations tighten around us. Witness the remnants of a star, dense and distant, as we plummet further into the unknown. And at last, behold the birth of a white hole, where time and space cease to exist.
Renowned for his groundbreaking research in quantum gravity and his contributions to loop quantum gravity, a theoretical framework that seeks to reconcile general relativity and quantum mechanics, Carlo will unveil the uncertainty and exhilaration of venturing into uncharted territory.
Carlo has authored several highly influential scientific papers on loop quantum gravity, and has written several popular books that bring his research to the wider public. His book "Seven Brief Lessons on Physics" became an international bestseller, introducing readers to key concepts of modern physics.
Carlo Rovelli is an Italian theoretical physicist, philosopher and writer who has worked in Italy, the United States and, since 2000, in France. His research is focused mainly in the field of quantum gravity and is a founder of loop quantum gravity theory. Carlo is currently head of the quantum group at the Centre de Physique Theorique at Aix-Marseille University, a Distinguished Visiting Research Chair at the Perimeter Institute, and core member of the Rotman Institute of Philosophy of Western University. As a writer, Carlo became a household name after the success of his books ‘Seven Brief Lessons on Physics’ and ‘Reality is Not What It Seems’.
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This lecture was an Ri Discourse. Discourses are one of the Ri’s oldest and most prestigious series of talks. Since 1825, audiences in the theatre have witnessed countless mind-expanding moments, including the first public liquefaction of air by James Dewar, the announcement of the electron by JJ Thomson and over 100 lectures by Michael Faraday. In more recent times, we have had Nobel laureates, Fields medal winners, scientists, authors and artists – all from the cutting-edge of their field. Discourses are an opportunity for the best and brightest to share their work with the world.
Steeped in nearly two centuries of tradition, a Discourse is more than just a lecture. To keep the focus on the topic, presenters begin sharply at 7:30pm without introduction and we lock the speaker into a room ten minutes ahead of the start (legend has it that a speaker once tried to escape!). Some of our guests dress smartly for our Discourse events to add to this sense of occasion.
Find out more about the history of the Friday Evening Discourses on our blog: https://www.rigb.org/explore-science/explore/blog/history-friday-evening-discourse
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,1,Why do houses need lightning rods to protect them during storms?
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,1,How can black holes help us understand the workings of a quantum computer?
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Black holes are believed to be the most efficient quantum computers naturally existing in our universe. Standard computers do not have the capabilities to quickly solve some of the problems and unanswered questions facing researchers, but black holes may be able to provide insight into how quantum computers work and facilitate their development.
In this talk, discover how a quantum computer makes use of the quantum states of subatomic particles to both store and process information and explore the long-standing question of what happens if you fall into a black hole, from a new quantum perspective.
00:00 Introduction to the talk
4:36 What is a black hole?
8.34 The Event Horizon
12:55 Evidence and detection of black holes
19:53 Approaching a black hole
22:17 The black hole in Interstellar
25:01 Modern imaging of black holes
27:22 Gravitational waves
38:04 Black holes and quantum theory
46:44 New quantum perspectives
49:04 Black holes as giant hard drives
51:24 Real quantum computers?
55:45 Quantum errors
57:38 Black holes and error correction
59:44 From black holes to quantum computing
This lecture was recorded at the Ri on 8 September 2023.
Professor Marika Taylor is a Professor of Theoretical Physics and Head of School within Mathematical Sciences at the University of Southampton. She is a member of the Centre for Geometry, Topology, and Applications, Southampton Theory Astrophysics and Gravity (STAG) Research Centre, Applied Mathematics and Theoretical Physics group and the String Theory and Holography group.
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,1,Could every black hole hold the key to another universe?
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,1,Find out what Michael Faraday discovered - filmed in his original basement lab in London, at the Royal Institution.
You can visit the lab yourself - find out how on our website: https://www.rigb.org/visit
Prof David Ricketts is an Innovation Fellow in the Technology and Entrepreneurship Centre at Harvard University. He works with organisations around the globe, such as Mastercard, Ubisoft, Disney, General Motors, Dell and Ferarri to accelerate innovation.
David is also an accomplished academic, having his work appear twice in Nature as well as other distinguished publications and books. He is recipient of the National Science Foundation (US) CAREER award and the DARPA Young Faculty Award for his work on nano-electromagnetic devices. His innovations include a re-programmable, self-assembling matter, an American football tracking for sports visualisation with Disney/ESPN, and an advanced wireless power systems for next-generation cars with General Motors Research.
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,1,Watch the full video from Chris Van Tulleken here: https://www.youtube.com/watch?v=5QOTBreQaIk
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,1,Are generative AI models moving too fast for regulation to keep up? Will the development of generative AI outpace our ability to ensure their responsible use?
This is the second of three Turing Lectures, produced with The Alan Turing Institute. Watch the first one here: https://www.youtube.com/watch?v=_6R7Ym6Vy_I
Watch the Q&A: https://youtu.be/h4pxGVjbXVI
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This talk was recorded at the Ri on 17 October 2023, in collaboration with The Alan Turing Institute.
As generative AI becomes increasingly sophisticated, its potential to revolutionize the way we interact with data is clear. It has already shown its ability to assist with tasks such as image and video synthesis, text and speech generation, and music composition. However, the rapid development of generative AI models has also raised concerns about their misuse, particularly in the context of disinformation campaigns, deepfakes and online harassment.
In this lecture, Mhairi Aitken examines what this means for online and offline safety and discuss how society might be able to mitigate these risks.
Mhairi Aitken is an Ethics Fellow in the Public Policy Programme at The Alan Turing Institute, and an Honorary Senior Fellow at Australian Centre for Health Engagement, Evidence and Values (ACHEEV) at the University of Wollongong in Australia. She is a Sociologist whose research examines social and ethical dimensions of digital innovation particularly relating to uses of data and AI. She was included in the 2023 international list of “100 Brilliant Women in AI Ethics”.
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,1,Did you know that Einstein's most important equation isn't E=mc^2? Find out all about his equation that expresses how spacetime curves, with Sean Carroll.
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This lecture was recorded at the Ri on Monday 14 August 2023.
00:00 Einstein’s most important equation
3:37 Why Newton’s equations are so important
9:30 The two kinds of relativity
12:53 Why is it the geometry of spacetime that matters?
16:37 The principle of equivalence
18:39 Types of non-Euclidean geometry
26:26 The Metric Tensor and equations
32:22 Interstellar and time and space twisting
33:32 The Riemann tensor
37:45 A physical theory of gravity
43:28 How to solve Einstein’s equation
47:50 Using the equation to make predictions
51:05 How its been used to find black holes
The real Einstein's Equation is part of general relativity, which relates the curvature of spacetime to the mass and energy distributed within it.
Sean explains why the geometry of spacetime has anything to do with gravity, and how this famous equation expresses the way that spacetime curves.
Sean Carroll is Homewood Professor of natural philosophy at Johns Hopkins University. He won the Royal Society Winton Prize for his book about the search for the elusive Higgs boson, The Particle at the End of the Universe, and The Big Picture was an international bestseller. His most recent book is Something Deeply Hidden. He lives in Baltimore.
Copies of Sean's latest book, 'The Biggest Ideas in the Universe 1: Space, Time and Motion', are available from Amazon and all good bookstores.
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,1,Did the Universe begin with a Big Bang? And if not, how did it come to be? Join renowned cosmologist Brian Keating and explore the evolution of the Universe in this demo-packed lecture.
Follow Dr Brian Keating on Youtube here: https://www.youtube.com/DrBrianKeating?sub_confirmation=1
Watch the Q&A here: https://youtu.be/-6qWIOPzkSU
This Discourse was recorded at the Ri on 29 June 2023. Discourses are one of the Ri’s oldest and most prestigious series of talks - find out more about them here: https://www.rigb.org/explore-science/explore/blog/history-friday-evening-discourse
Donate to the Ri and help us bring you more scientific lectures: https://www.rigb.org/support-us/donate-ri
00:00 Introduction
2:02 Early models of the universe’s origin
4:40 Newton and Einstein’s models of the universe
07:38 Lemaitre’s Big Bang
10:12 The four pillars of the Big Bang Theory
12:39 What’s the problem with the Big Bang theory?
16:06 Discovery of cosmic microwave background radiation
19:54 Alternatives to the singular Big Bang
24:41 The inflationary multiverse theory
33:09 The double slit experiment
36:10 Disproving other theories with polarisation
42:41 B-mode polarisation – the decisive experiment
49:28 Losing the Nobel Prize due to meteorites
51:08 The Simons Observatory and the next experiment
54:44 Problems with the multiverse theory
57:40 Michael Faraday and experimental science
Unravelling the mysteries and origins of the Universe remains one of the biggest questions in physics. Drawing upon decades of research and observation, the scientific consensus based on current evidence supports the theory of a single Big Bang event that led to the formation of the universe as we observe it today.
While alternative evolutionary models such as bouncing and cyclic universes are undoubtedly intriguing, they lack the observational support and experimental validation that the Big Bang theory enjoys.
From the Cosmic Microwave Background radiation, to the large-scale structure of the universe, to the relative abundance of light elements, the Big Bang theory remains unquestioned.
But new areas of research continue to develop, such as the study of dust and its contribution to astrophysical research, facilitating further understanding of the early universe and its evolution. As a leading expert in the field, Brian effortlessly navigates through the complex and fascinating science behind our universe and its conception.
Brian Keating is a Chancellor’s Distinguished Professor of physics at the Center for Astrophysics & Space Sciences (CASS) in the Department of Physics at the University of California, San Diego. He is a public speaker, inventor, and an expert in the study of the universe’s oldest light, the cosmic microwave background (CMB), using it to learn about the origin and evolution of the universe. Keating is a writer and podcaster and the best-selling author of one of Amazon Editors’ ‘Best Non-fiction Books of All Time', Losing the Nobel Prize. Visit his website here: https://briankeating.com/ and follow him on Twitter at https://twitter.com/DrBrianKeating
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,1,Are viruses alive or are they lifeless packages of protein and nucleic acid?
Watch the Q&A: https://youtu.be/6QXFvaHi7LM
Carl's book "Life's Edge: The Search for What It Means to Be Alive" is available now - https://geni.us/zimmer
Countless scientists around the world study life, and yet they can't really agree on what it is. Join New York Times columnist Carl Zimmer as he explores the boundaries of life, encountering viruses and other strange residents of the borderlands.
Carl Zimmer is the author of fourteen books about science. Zimmer’s column "Matter" appears each week in the New York Times. His writing has earned a number of awards, including the Stephen Jay Gould Prize, awarded by the Society for the Study of Evolution. His book, She Has Her Mother’s Laugh, won the 2019 National Academies Communication Award. The Guardian named it the best science book of 2018.
Zimmer is a familiar voice on radio programs such as Radiolab and professor adjunct at Yale University. He is, to his knowledge, the only writer after whom both a species of tapeworm and an asteroid have been named.
This talk was recorded on 26 August 2021.
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,1,Sigmund Freud was the first scientist to support the popular notion that dreams are meaningful. Fifty years later, the discovery of REM sleep thoroughly discredited the notion.
Watch the Q&A: https://youtu.be/SgdbguclqSk
Mark's latest book "The Hidden Spring" is available now: https://geni.us/CWaA
As is his text book on the science of sleep: https://geni.us/CrFO
Mark Solms explores the mechanisms behind the dreaming brain and what dreams really mean. He discusses where the research on sleep, generated like clockwork by the ‘mindless’ brainstem, stands today.
Mark Solms has spent his entire career investigating the mysteries of consciousness. Best known for identifying the brain mechanisms of dreaming and for bringing psychoanalytic insights into modern neuroscience, he is director of neuropsychology in the Neuroscience Institute of the University of Cape Town, honorary lecturer in neurosurgery at the Royal London Hospital School of Medicine, and an honorary fellow of the American College of Psychiatrists.
This talk was recorded on 4th May 2021.
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,1,Volcanic rocks contain small bits of iron oxide that get magnetised in the direction of the Earth's magnetic field as they cool. Comparing rocks of different ages reveals the magnetic history of our planet.
Watch the full second lecture of the series: https://www.rigb.org/christmas-lectures/watch/1995/planet-earth-an-explorers-guide/secrets-of-the-deep?utm_source=youtube&utm_medium=social&utm_term=description
James Jackson gave the 1995 Christmas Lectures "Planet Earth: An Explorer's Guide" about the inner workings of planet Earth.
The second lecture "Secrets of the Deep", where this clip is from, is about the crucial role plate tectonics play in the structure of our oceans and continents.
Watch the full series:
https://www.rigb.org/christmas-lectures/watch/1995/planet-earth-an-explorers-guide?utm_source=youtube&utm_medium=social&utm_term=description
Christmas Lectures are a popular children's science show broadcast every year on the BBC. As such they fall under YouTube's 'Made for Kids' category, which means that some common features are disabled on this video, such as comments, cards and end screens.
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,1,The laser is a key part of so much of our modern world, from fibre-optic cabling to eye surgery.
The origin story of lasers goes all the way back to the pioneering work of Isaac Newton. Join Andrew as he spins a tale of the the study of light and lasers, from Newton's prisms to the Nobel prize winning laser photochemistry of George Porter.
Andrew would like to thank Steve Conduit, physics technician at Highgate School, and Jonathan Ryder, precision engineer, for their considerable help in the preparation and explanation of the demonstrations on this talk.
Chapters:
00:00 - Introduction
03:50 - What is a laser?
06:28 - Newton and the prism
09:42 - The wave theory of light
10:50 - Everyday types of light
14:41 - Young and diffraction
16:24 - Dalton's atomic theory
17:50 - Lines in the solar spectrum
20:00 - Faraday and electromagnetism
22:45 - The spectroscope and spectral analysis
29:14 - Matter and light
35:20 - Crookes' radiometer
39:12 - JJ Thompson and the electron
41:29 - Planck's constant
45:08 - Albert Einstein and the photoelectric effect
47:25 - Looking inside the atom
50:54 - Exciting electrons and the laser
53:00 - Metastability
54:45 - The first lasers
56:20 - A modern gas laser
Andrew Szydlo is a chemist and secondary school teacher at Highgate School, well-loved by pupils and Ri attendees alike. He has given public lectures around the country, been featured on TV shows and has become a popular regular face on our channel.
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,1,The most powerful lasers in the world can be used to make some of the most extreme conditions possible on earth, and are revolutionising science. Dr Kate Lancaster leads you through this extreme world with demonstrations along the way. http://bit.ly/RiSubscRibe
When lasers were invented over half a century ago they were hailed as a “solution looking for a problem”. Since then lasers have come to revolutionise our lives through their practical applications such as data transport and CD/ DVD players, and as a tool for industry and science.
The largest and most powerful lasers in the world can be used to make some of the most extreme conditions possible on earth. Scientists around the globe are using these lasers to try to miniaturise particle accelerators, make astrophysical conditions in the lab, and create fusion energy. Dr Kate Lancaster leads you through this extreme world with demonstrations along the way in celebration of the International Year of Light.
Kate Lancaster was awarded a PhD in Advanced Fast Ignition studies (laser driven fusion) by Imperial College London before working at the Central Laser Facility at the Rutherford Appleton Laboratory.
Her background is in laser plasma interactions and laser driven fusion and she is now the Plasma and Fusion industrial officer for the York Plasma Institute, University of York.
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