Menu

Blog

Page 789

Feb 8, 2024

Cosmic dark matter web detected in Coma cluster

Posted by in categories: cosmology, evolution, internet

The Subaru Telescope has spotted the terminal ends of dark matter filaments in the Coma cluster stretching across millions of light years. This is the first time that strands of the cosmic web spanning the entire universe have been directly detected. This provides new evidence to test theories about the evolution of the universe.

In the , we are used to seeing matter gathered into round objects like planets, moons, and the sun. But , which accounts for most of the mass in the universe, is believed to exist as a web of long thin strands. But like a spider web, these strands can be hard to see, so astronomers have typically drawn conclusions based on observations of galaxies and gas stuck in the web. This is similar to how if you see a dead leaf that appears to hang in midair, you know there is a spider web that you cannot see.

A team of researchers from Yonsei University used the Subaru Telescope to look for direct signs of dark matter filaments in the Coma cluster, located 321 million away in the direction of the constellation Coma Berenices. Their paper, “Weak-lensing detection of intracluster filaments in the Coma cluster” is published in Nature Astronomy.

Feb 8, 2024

Q&A: Expert explains the ‘physics of AI’

Posted by in categories: physics, robotics/AI

The development of a new theory is typically associated with the greats of physics. You might think of Isaac Newton or Albert Einstein, for example. Many Nobel Prizes have already been awarded for new theories.

Researchers at Forschungszentrum Jülich have now programmed an artificial intelligence that has also mastered this feat. Their AI is able to recognize patterns in complex data sets and to formulate them in a physical theory. The findings are published in the journal Physical Review X.

In the following interview, Prof. Moritz Helias from Forschungszentrum Jülich’s Institute for Advanced Simulation (IAS-6) explains what the “Physics of AI” is all about and to what extent it differs from conventional approaches.

Feb 8, 2024

Pioneering the Future of Computing with a Quantum Network with Masashi Hirose, Co-founder of NanoQT

Posted by in categories: computing, quantum physics

The Quantum Insider (TQI) is the leading online resource dedicated exclusively to Quantum Computing.

Feb 8, 2024

Quantum computer uses a time crystal as a control dial

Posted by in categories: computing, quantum physics

Making a strange state of matter called a time crystal inside a quantum computer helped researchers stabilise a fragile quantum state inspired by Schrödinger’s cat.

By Karmela Padavic-Callaghan

Feb 8, 2024

Our universe is merging with ‘baby universes’, causing it to expand, new theoretical study suggests

Posted by in category: cosmology

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller ‘baby universes,’ a new theoretical study suggests.

Feb 8, 2024

International research team develops new hardware for neuromorphic computing

Posted by in categories: biotech/medical, information science, robotics/AI

In the future, modern machines should not only follow algorithms quickly and precisely, but also function intelligently—in other words, in a way that resembles the human brain. Scientists from Dortmund, Loughborough, Kiev and Nottingham have now developed a concept inspired by eyesight that could make future artificial intelligence much more compact and efficient.

They built an on-chip phonon-magnon for neuromorphic computing which has recently been featured as Editor’s Highlight by Nature Communications.

The human sensory organs convert information such as light or scent into a signal that the brain processes through myriads of neurons connected by even more synapses. The ability of the brain to train, namely transform synapses, combined with the neurons’ huge number, allows humans to process very complex external signals and quickly form a response to them.

Feb 8, 2024

Where do cosmic rays come from?

Posted by in category: particle physics

High-energy particles from space constantly bombard Earth at near light speed, but what are their origins?

Feb 8, 2024

21 Best Longevity Experts and Influencers on Twitter/X

Posted by in categories: biotech/medical, life extension, Peter Diamandis, robotics/AI

We’ve updated our list of the best longevity experts on Twitter/X and added 8 new accounts, including Dr. Morgan Levine, Dr. Brad Stanfield, and the research journal Nature Aging!


Best known for his popular longevity YouTube channel, Stanfield is a medical doctor with an interest in longevity science. Like some other folks on this list of longevity influencers, Stanfield can be a bit iconoclastic, challenging orthodoxy on things like resveratrol and fisetin.

Just like in his well-sourced videos, Stanfield’s Twitter feed is heavy with links to research papers and studies on longevity-related topics, from recent mouse studies out of the Interventions Testing Program, to threads on diet based on new trials. The downside is in his Twitter feed you don’t get to hear that sweet Kiwi accent you get from his videos.

Followers: 24,000

Continue reading “21 Best Longevity Experts and Influencers on Twitter/X” »

Feb 8, 2024

Prescription guide

Posted by in categories: biotech/medical, computing, cyborgs

To show one of the advantages of being a cyborg, I typed my old prescription into ZEISS Optical Inserts which are for use with the Apple Vision Pro and it said “We are really sorry, but your prescription values go beyond the available range.”

But now that I’m a cyborg with artificial lenses, any optical inserts that I might need are very common and available.

Oh, I experimented a little and it looks like they can’t make lenses for −9.75 diopters or worse. My left-eye used to be −17.25!

Continue reading “Prescription guide” »

Feb 8, 2024

Adiabatic Cooper pair splitter

Posted by in categories: materials, quantum physics

Cooper-Pair Splitting on Demand.

A proposed device can repeatedly grab pairs of electrons from a superconductor and separate them while preserving their entangled state.


By adiabatically changing the energy levels of two quantum dots, theoreticians predict that it should be possible to control the splitting of Cooper pairs from a superconductor. Such an adiabatic Cooper pair splitter could serve as an on-demand source of entangled electrons in future solid-state quantum technologies.

Page 789 of 11,332First786787788789790791792793Last