Friday, April 14, 2023

A New Approach to Computation Reimagines AI

Math and Science News from Quanta Magazine
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MACHINE LEARNING | ALL TOPICS

 

A New Approach to Computation Reimagines Artificial Intelligence

By ANIL ANANTHASWAMY

By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly — and efficiently — than before.

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MICROBES

 

Primitive Asgard Cells Show Life on the Brink of Complexity

By JOSHUA SOKOL

As researchers race to cultivate more of them, the intriguing cells now growing in labs give us our best look at what the forerunners of all complex life were like.

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Related: 
DNA's Histone Spools Hint
at How Complex Cells Evolved

By Viviane Callier (2021)

QUANTUM PHYSICS

 

The Electron Is So Round That It's Ruling Out Potential New Particles

By ZACK SAVITSKY

If the electron's charge wasn't perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection.

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Related: 
Physicists Use Quantum Mechanics
to Pull Energy out of Nothing

By Charlie Wood

COMBINATORICS

 

Mathematicians Find Hidden Structure in a Common Type of Space

By JORDANA CEPELEWICZ

In 50 years of searching, mathematicians found only one example of a "subspace design" that fit their criteria. A new proof reveals that there are infinitely more out there.

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QUANTA SCIENCE PODCAST

 

Astronomers Say They Have Spotted the Universe's First Stars

Podcast hosted by SUSAN VALOT;
Story by JONATHAN O'CALLAGHAN

Theory has it that "Population III" stars brought light to the cosmos. JWST may have just glimpsed them.

Listen to the podcast

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Around the Web

New Image of M87 Black Hole
The Event Horizon Telescope collaboration has released a new image of the black hole at the center of the M87 galaxy, Jennifer Ouellette reports for Ars Technica. The new image is a more detailed version of one released in 2019 — the first glimpse ever of any black hole. At the time, astrophysicist Janna Levin wrote for Quanta about what that image meant to her and her field.


Eye Cite
Since Darwin, biologists have wondered how evolution could drive the development of complex, intricate organs such as the eye. New research suggests that a key gene stolen from bacteria might have played a role in accelerating the eye's evolution, reports Elizabeth Pennisi for Science Magazine. Some lines of evidence suggest that the evolution of complexity can often be almost inevitable, even arising in the absence of natural selection. In 2013, Carl Zimmer wrote for Quanta about this
"zero-force" evolutionary law.
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