Friday, March 10, 2023

Room-Temp Superconductor Discovery Meets With Resistance

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SUPERCONDUCTIVITY | ALL TOPICS

 

Room-Temperature Superconductor Discovery Meets With Resistance

By CHARLIE WOOD & ZACK SAVITSKY

A paper in Nature reports the discovery of a superconductor that operates at room temperatures and near-room pressures. The claim has divided the research community.

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QUANTUM GRAVITY

 

Black Holes Will Destroy All Quantum States, Researchers Argue

By THOMAS LEWTON

New calculations suggest that the event horizons around black holes will eventually 'decohere' quantum possibilities — even those that are far away.


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Related: 
The Most Famous Paradox
in Physics Nears Its End

By George Musser (2020)

NUMBER THEORY

 

New Proof Distinguishes Mysterious and Powerful 'Modular Forms'

By JORDANA CEPELEWICZ

Using "refreshingly old" tools, mathematicians resolved a 50-year-old conjecture, with consequences for number theory and theoretical physics.


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Related: 
Ukrainian Mathematician Maryna Viazovska
Wins Fields Medal

By Thomas Lin & Erica Klarreich (2022)

THE JOY OF WHY

 

Can We Program Our Cells?

Podcast hosted by STEVEN STROGATZ

By genetically instructing cells to perform tasks that they wouldn't in nature, synthetic biologists can learn deep secrets about how life works. Researcher Michael Elowitz discusses the potential of this field.

Listen to the podcast

Read the transcript

Q&A

 

The Researcher Who Would Teach Machines to Be Fair

Interview by SHEON HAN;
Video by CHRISTOPHER WEBB YOUNG

Arvind Narayanan uses quantitative methods to expose and correct the misuse of quantitative methods.


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Watch the video

ECOLOGY

 

Simpler Math Predicts How Close Ecosystems Are to Collapse

By ANNA GIBBS

By replacing thousands of equations with just one, ecology modelers can more accurately assess how close fragile environments are to a disastrous "tipping point."


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Around the Web

Lean Machine
AI models are growing in complexity at an impressive rate. But is a larger model necessarily smarter? A group of scientists is hoping to trim some of the fat, Anil Ananthaswamy reports for Nature. Last year for Quanta, Mordechai Rorvig wrote about a theoretical justification for having larger neural networks. The proof suggests that scaling up networks beyond their apparent minimum requirements is critical for their success.


On the Scent
Scientists are uncovering how animals manage to follow odors through turbulent environments, Dana Mackenzie reports for Knowable Magazine. Scientists have only recently begun to sniff out the biomolecular details of olfaction. In a 2021 Quanta story, Jordana Cepelewicz covered researchers' first detailed glimpse of a smell receptor molecule in action.
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