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string theory

particle physics

A Deepening Crisis Forces Physicists to Rethink Structure of Nature’s Laws

By Natalie Wolchover
March 1, 2022
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Physicists are reexamining a longstanding assumption: that big stuff consists of smaller stuff.

quantum gravity

In a Numerical Coincidence, Some See Evidence for String Theory

By Natalie Wolchover
January 21, 2022
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In a quest to map out a quantum theory of gravity, researchers have used logical rules to calculate how much Einstein’s theory must change. The result matches string theory perfectly.

Illustration of a particle
Hidden Structure

What Is a Particle?

By Natalie Wolchover
November 12, 2020
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It has been thought of as many things: a pointlike object, an excitation of a field, a speck of pure math that has cut into reality. But never has physicists’ conception of a particle changed more than it is changing now.

Illustration of a black hole
Hidden Structure

The Most Famous Paradox in Physics Nears Its End

By George Musser
October 29, 2020
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In a landmark series of calculations, physicists have proved that black holes can shed information.

Stringy filaments wiggling against a black background.
Abstractions blog

Some Physicists See Signs of Cosmic Strings From the Big Bang

By Thomas Lewton
September 29, 2020
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Subtle aberrations in the clockwork blinking of stars could become “the result of the century.” That’s if the distortions are produced by a network of giant filaments left over from the birth of the universe.

Multimedia

The Map of Mathematics

By Kevin Hartnett
February 13, 2020
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Explore our surprisingly simple, absurdly ambitious and necessarily incomplete guide to the boundless mathematical universe.

Quantized Columns

The Double Life of Black Holes

By Sabine Hossenfelder
January 29, 2019
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Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing.

Art for "Black Hole Firewalls Could Be Too Tepid to Burn"
Abstractions blog

Black Hole Firewalls Could Be Too Tepid to Burn

By Charlie Wood
August 22, 2018
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String theorists elide a paradox about black holes by extinguishing the walls of fire feared to surround them.

Art for "Dark Energy May Be Incompatible With String Theory"
theoretical physics

Dark Energy May Be Incompatible With String Theory

By Natalie Wolchover
August 9, 2018
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A controversial new paper argues that universes with dark energy profiles like ours do not exist in the “landscape” of universes allowed by string theory.


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