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Category: physics – Page 4

Kaiming He, a professor in the Department of Electrical Engineering and Computer Science, believes AI can create a common language that lowers barriers between scientific fields and fosters collaboration across scientific disciplines.

“There is no way I could ever understand high-energy physics, chemistry, or the frontier of biology research, but now we are seeing something that can help us to break these walls,” said He.

MIT Associate Professor Kaiming He discusses the role of AI in interdisciplinary collaborations, connecting basic science to artificial intelligence, machine learning, and neural networks.

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Is the key to understanding our universe hidden in its mirror image? Are the answers cosmologists seek much simpler than we think? And can we explain the origin of the universe without inflation?

Here today to share his bold new theory is the renowned physicist and cosmologist Neil Turok. Neil, who specializes in mathematical and early-universe physics, is the Higgs Chair of Theoretical Physics at the University of Edinburgh and Director Emeritus of the Perimeter Institute for Theoretical Physics. Recently, he’s been getting a lot of attention for proposing a simpler, more testable cosmological model that replaces inflation with a CPT-symmetric Mirror Universe, explaining dark matter, cosmic flatness, and density variations without adding unnecessary complexity.

Join us as we explore this provocative new theory in depth!

👉 ‘Cosmic Inflation’: did the early cosmos balloon in size? A mirror universe going backwards in time may be a simpler explanation by Neil Turok: https://shorturl.at/jr8kd.

Continue reading “Is Inflation DEAD? Neil Turok’s Startling Mirror Universe Theory” | >

“The Ouroboros Code” explores the intersection of science and spirituality through the lens of digital alchemy and self-simulation. Authored by Antonin Tuynman, the book presents a philosophical framework called “The Transcendental Metaphysics of Pancomputational Panpsychism” exploring how consciousness may be the fundamental ground of existence and the universe a self-modifying code. Tuynman investigates topics like the nature of intelligence, the limits of computation, and the possibility of artificial general intelligence. The book draws on concepts from physics, information theory, mathematics, and various spiritual traditions, aiming to bridge the gap between objective and subjective realities. It builds upon the author’s previous works and incorporates insights from various scientists and thinkers. Ultimately, the book seeks to understand how the universe, through a recursive process, generates and experiences itself. *Available as a Kindle eBook, paperback, and Audible audiobook: https://www.amazon.com/Ouroboros-Code?tag=lifeboatfound-20… #SelfSimulation #Pancomputationalism #DigitalPhysics #ComputationalPhysics

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WCTU CLEVELAND 13 — A new study suggests that faster-than-light travel, once thought to be purely science fiction, may be achievable sooner than expected through the concept of warp drive, challenging Einstein’s Theory of Relativity. This breakthrough builds on the Alcubierre drive model proposed in 1994, which theorizes that a spacecraft could travel faster than light by contracting space-time ahead of it while expanding space-time behind it.

The idea was first introduced by Mexican theoretical physicist Miguel Alcubierre, who suggested that a space-time bubble could allow for faster-than-light travel without violating the laws of physics. However, his model was initially dismissed due to its extreme energy requirements.

Joseph Agnew, a researcher from the University of Alabama, has been re-evaluating the mathematical foundations of Alcubierre’s theory. “If you fulfill all the energy requirements, they can’t prove that it doesn’t work,” Agnew stated in a university press release. His work has rekindled interest in the feasibility of warp drive by focusing on the possibility of warping space-time around a craft.

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MIT physicists report the unexpected discovery of electrons forming crystalline structures in a material only billionths of a meter thick. The work adds to a gold mine of discoveries originating from the material, which the same team discovered only about three years ago.

In a paper published Jan. 22 in Nature, the team describes how electrons in devices made, in part, of the new material can become solid, or form crystals, by changing the voltage applied to the devices when they are kept at a temperature similar to that of outer space. Under the same conditions, they also showed the emergence of two new electronic states that add to work they reported last year showing that electrons can split into fractions of themselves.

The physicists were able to make the discoveries thanks to new custom-made filters for better insulation of the equipment involved in the work. These allowed them to cool their devices to a temperature an order of magnitude colder than they achieved for the earlier results.

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An international team has confirmed the discovery of a super-Earth orbiting in the habitable zone of a nearby sun-like star. The planet was originally detected two years ago by Oxford University scientist Dr. Michael Cretignier. This result, drawing on more than two decades of observations, opens a window to future studies of Earth-like exoplanets that may have conditions suitable for life.

The new planet, named HD 20,794D, has a mass six times that of Earth and orbits a star similar to our sun, located just 20 light years away. Its orbit places it within the habitable zone of the system, meaning it is at the right distance from its star to sustain liquid water on its surface, a key ingredient for life as we know it. The paper is published in the journal Astronomy & Astrophysics.

Dr. Cretignier first identified a candidate exoplanet signal in 2022, while analyzing archived data recorded by the HARPS (High Accuracy Radial Velocity Planet Searcher) spectrograph at the La Silla Observatory in Chile. This data analyzes the light absorbed and emitted by objects.

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A new AI-driven tool allows scientists to analyze vast amounts of LIGO

LIGO, or the Laser Interferometer Gravitational-Wave Observatory, is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. There are two LIGO observatories in the United States—one in Hanford, Washington, and the other in Livingston, Louisiana. These observatories use laser interferometry to measure the minute ripples in spacetime caused by passing gravitational waves from cosmic events, such as the collisions of black holes or neutron stars.

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Riverworld.

Imagine a world stretched along a single, endless river inside a colossal space megastructure. Explore the fascinating concept of the Topopolis, a futuristic habitat billions of miles long, where humanity might thrive in a sprawling civilization bound by physics, engineering, and imagination.

Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur–… Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa… Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: Topopolis: The Eternal River Episode 487a; February 23, 2025 Written, Produced & Narrated by: Isaac Arthur Graphics: Apogii.uk, Ken York YD Visual, Steve Bowers, Udo Scroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur.
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa…
Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.
Visit our Website: http://www.isaacarthur.net.
Join Nebula: https://go.nebula.tv/isaacarthur.
Support us on Patreon: / isaacarthur.
Support us on Subscribestar: https://www.subscribestar.com/isaac-a…
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Credits:
Topopolis: The Eternal River.
Episode 487a; February 23, 2025
Written, Produced & Narrated by: Isaac Arthur.
Graphics: Apogii.uk, Ken York YD Visual, Steve Bowers, Udo Scroeter.
Select imagery/video supplied by Getty Images.
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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The practice of purposely looping thread to create intricate knit garments and blankets has existed for millennia. Though its precise origins have been lost to history, artifacts like a pair of wool socks from ancient Egypt suggest it dates back as early as the third to fifth century CE. Yet, for all its long-standing ubiquity, the physics behind knitting remains surprisingly elusive.

“Knitting is one of those weird, seemingly simple but deceptively complex things we take for granted,” says and visiting scholar at the University of Pennsylvania, Lauren Niu, who recently took up the craft as a means to study how “geometry influences the mechanical properties and behavior of materials.”

Despite centuries of accumulated knowledge, predicting how a particular knit pattern will behave remains difficult—even with modern digital tools and automated knitting machines. “It’s been around for so long, but we don’t really know how it works,” Niu notes. “We rely on intuition and trial and error, but translating that into precise, predictive science is a challenge.”

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