The Origins of Life & The Work of Primo Levi. #originsoflife
#chemistry #abiogenesis #primolevi #OriginOfLife Primo Levi was deeply interested in the fascinating mystery of the Origin of Life. In particular, in his essay “Asymmetry and Life” he deals with the questions related to the Origin of Homochirality. Which are the prebiotical processes that, starting from a symmetric world, established a living world dominated by asymmetric biomolecules, such as L-amino acids and D-sugars? Would life be possible with the mirror image of these biomolecules? In this short interview, starting from Primo Levi’s writings, we will go through some answers that modern chemists are giving to the questions raised by Primo Levi. A conversation with Scripps Research Institute Postdoctoral Scientist Luca Legnani Ph.D. https://www.youtube.com/user/ScrippsResearch https://www.scripps.edu/blackmond/ ... https://www.youtube.com/watch?v=mM-krXLI8fc
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What can we actually prove scientifically about consciousness? Is there any experiment we can do to come up with conclusive answers? Where does scientific inquiry meet the mysteries of human experience? I’ve had the pleasure of discussing this with the philosopher and computer engineer Bernardo Kastrup. Enjoy!
If you liked this clip, check out our full interview: https://www.youtube.com/watch?v=4q4IKUH0qnk
Kastrup is the executive director of Essentia Foundation. His work has been leading the modern renaissance of metaphysical idealism, the notion that reality is essentially mental.
He has a Ph.D. in philosophy (ontology, philosophy of mind) and another Ph.D. in computer engineering (reconfigurable computing, artificial intelligence). As a scientist, Bernardo has worked for the European Organization for Nuclear Research (CERN) and the Philips Research Laboratories (where the ‘Casimir Effect’ of Quantum Field Theory was discovered).
Formulated in detail in many academic papers and books, his ideas have been featured in Scientific American, the Institute of Art and Ideas, the Blog of the American Philosophical Association, and Big Think, among others. Bernardo’s most recent book is The Idea of the World: A multi-disciplinary argument for the mental nature of reality. For more information, freely downloadable papers, videos, etc., please visit www.bernardokastrup.com.
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Remastered from our interview in 2022.
There are few concepts in physics as frequently discussed but as poorly understood as dark matter. After all, we don’t even know what it’s made of!
However, there are many potential candidates, and I had the pleasure of explaining them in my interview with Arvin Ash. We also talked about the fascinating possibility of detecting gravitational waves from the polarization of the CMB and why it is very likely that there is, in fact, no life outside of Earth.
Tune in!
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Key Takeaways:
00:00:00 Intro
00:00:27 What is the CMB?
00:01:15 What is the polarization of the CMB?
00:04:10 What is the evidence for cosmic inflation?
00:05:08 What is the leading contender for dark matter?
00:11:31 There may be no other life in the universe!
—
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Please watch: "Neil DeGrasse Tyson: Plays the Race Card!"
https://www.youtube.com/watch?v=Cs4QCSe05I4
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https://www.youtube.com/watch?v=-_CPGg_fDzU
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When the JWST captured the first images of the earliest galaxies in our universe, scientists were shocked.
The galaxies appeared to be way too bright, way too big, and way too mature to have formed so soon after the Big Bang. This discovery has, rightfully so, sparked a massive debate among astrophysicists. Some even started to question the standard model of cosmology.
However, using new simulations, some astrophysicists decided to investigate this controversy. Among these extraordinarily talented and bright minds is today’s guest, Chris Hayward, founding member of the FIRE project.
Tune in to discover the truth about the mysterious brightness at cosmic dawn!
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Key Takeaways:
00:00:00 Intro
00:01:00 What is a FIRE simulation?
00:03:10 The mysterious brightness at cosmic dawn
00:12:35 How FIRE provides information on the maturity of a galaxy
00:16:17 Galaxy dynamics and black holes
00:18:48 How FIRE simulations can help resolve tensions in cosmology
00:27:29 “I was made for science.”
00:34:07 The experimental minimum
00:39:53 What if the universe is actually 26 billion years old?
00:43:32 What's next for this type of research?
00:47:22 Outro
Additional resources:
➡️ Read more about the Mysterious Brightness at Cosmic Dawn https://www.simonsfoundation.org/2023/10/05/bursts-of-star-formation-explain-mysterious-brightness-at-cosmic-dawn/
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#Cosmology #Multiverse #BigBang
Dennis and Brian discuss Professor Keating's book Losing The Nobel Prize, and issues of theology and science including the implications of the theory of the multiverse and the science of cosmology today. They also delve into the pressures scientists face today form society and how biases can distort objectivity.
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@DrBrianKeating
Losing the Nobel Prize: A Story of Cosmology, Ambition, and the Perils of Science's Highest Honor
is not available in paperback.
Learn more: https://www.amazon.com/dp/0393357392/ref=cm_sw_em_r_mt_dp_U_z94RDbDSBKC1T
...
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#intotheimpossible #briankeating #nobelprize
...
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#TheEmporersNewMind #NobelPrize #SirRogerPenrose
On 6 October 2020 The Royal Swedish Academy of Sciences has awarded the 2020 #NobelPrize in Physics with one half to Roger Penrose and the other half jointly to Reinhard Genzel and Andrea Ghez.
I was delighted to have had this chance to discuss life, physics and everything with my friend Sir Roger Penrose, who endorsed my book Losing the Nobel Prize back in 2018. Well, now Sir Roger has WON the Nobel Prize.
We discussed the first popular science book I ever read: The Emperor's New Mind: Concerning Computers, Minds, and the Laws of Physics https://amzn.to/306hUG1
and
Shadows of the Mind: A Search for the Missing Science of Consciousness
https://amzn.to/2QFbt9M
Sir Roger Penrose OM FRS (born 8 August 1931) is an English mathematical physicist, mathematician and philosopher of science. He is Emeritus Rouse Ball Professor of Mathematics in the University of Oxford, an emeritus fellow of Wadham College, Oxford and an honorary fellow of St John's College, Cambridge.
Penrose has made contributions to the mathematical physics of general relativity and cosmology. He has received several prizes and awards, including the 1988 Wolf Prize for physics, which he shared with Stephen Hawking for the Penrose–Hawking singularity theorems.
Penrose sat down with Professor Brian Keating to discuss artificial intelligence, consciousness, cosmology, and the many fascinating developments in physics since the publication of The Emperor’s New Mind in 1989.
Additional Talks by Sir Roger Penrose:
Conformal Cyclic Cosmology: https://www.youtube.com/watch?v=zt1WH_SkazQ&t=2284s
New Theory of Dark Matter: https://www.youtube.com/watch?v=xlSMME-Cl5g
Physics and Fantasy: https://www.youtube.com/watch?v=aaIdJMxP6bA
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#universe #podcast #briankeating #intotheimpossible #science #astronomy #cosmology
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Previously on Thirty Minute Thesis I've explored models for cosmogeny -- the origin of the universe itself. Whether it was the Bouncing Cosmological Model of Steinhardt and Ijjas, or the Conformal Cyclic Cosmology of Sir Roger Penrose, these origin stories are truly that -- a conjectured mechanism for the origin of the observable universe. Often these models are pitched as 'alternatives to inflation', a dominant paradigm describing the dynamics of the early universe.
However, inflation is NOT a description of how the universe began. It should more properly be thought of a paradigm governing the origin of structure (like galaxies and clusters) and a mechanism that explains how and why the observable universe has properties consistent with spatial flatness and other observables.
Welcome to another episode of Thirty Minute Thesis -- a solo deep dive into a fascinating topic in cosmology, physics, or science itself. This video explains why inflation doesn't explain the origin of the universe, but may indeed provide the 'spark' that ignited the (hot) Big Bang.
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Will anything ever come of #artificialintelligence besides the end of human dominance in chess, Go, and that annoying Microsoft Paper Clip assistant, 'Clippy'? Explore the possibilities for “AI Feynman” with a cameo by my friend Max Tegmark. See Lawrence’s reaction to “Galil-AI-O”, my proposal for a project involving Galileo Galilei's collected works and GPT-3.
Watch our full conversation here: Lawrence Krauss: The Physics of Everything
https://youtu.be/mumFmyJtfNo
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