Friday, June 9, 2023

In New Paradox, Black Holes Appear to Evade Heat Death

Math and Science News from Quanta Magazine

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QUANTUM INFORMATION THEORY | ALL TOPICS

In New Paradox, Black Holes Appear to Evade Heat Death

Story by GEORGE MUSSER;
Video by CHRISTOPHER WEBB YOUNG, TAYLOR HESS and NOAH HUTTON

The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the second law of quantum complexity.

Read the article | Watch the video

NEURAL NETWORKS

Sparse Networks Come to the Aid of Big Physics

By STEVE NADIS

A novel type of neural network is helping physicists with the daunting challenge of data analysis.

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Related:
Is the Great Neutrino Puzzle
Pointing to Multiple Missing Particles?
By Thomas Lewton (2021)

COMBINATORICS

Graduate Student Finds Paradoxical Number Set

By ALEX STONE

No two pairs have the same sum; add three numbers together, and you can get any whole number.

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Related:
From Systems in Motion,
Infinite Patterns Appear
By Leila Sloman (2022)

Q&A

An Explorer of Abyssal Depths Looks to Oceans on Other Worlds

By STEVE NADIS

The marine geochemist Chris German brings decades of experience studying seafloor hydrothermal vents to NASA's preparations for visits to other ocean worlds in our solar system.

Read the interview

QUANTA SCIENCE PODCAST

Ants Live 10 Times Longer by Altering Their Insulin Responses

Story by VIVIANE CALLIER;
Podcast hosted by SUSAN VALOT

A tapeworm has evolved the ability to make its ant hosts live longer. Researchers recently discovered how and why the parasite does it.

Listen to the podcast

Read the article

Around the Web

An Alternative Number Universe
The p-adic number system in mathematics is counterintuitive but extremely useful. For Veritasium, Derek Muller and mathematician Alex Kontorovich explain how it works. Rational numbers are typically visualized as points on a number line, with irrational numbers filling the gaps between them. The p-adic system is an entirely new way to arrange rational numbers, explained Kelsey Houston-Edwards for Quanta in 2020.

New Insights for Safer Pregnancies
From studies of the human placenta, scientists are learning the secrets of how that remarkable organ curbs the immunological responses of pregnant mothers, reports Robin McKie for The Guardian. The investigation into the placenta is part of a global project aimed at mapping all the cells in the human body. In 2017, Jordana Cepelewicz wrote for Quanta about this Human Cell Atlas and the unexpected cellular diversity it uncovered.

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Friday, June 9, 2023