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cosmology

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How Steven Weinberg Transformed Physics and Physicists

By Nima Arkani-Hamed
August 11, 2021
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When Steven Weinberg died last month, the world lost one of its most profound thinkers.

Black holes on a blue swirly background.
Abstractions blog

Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos

By Thomas Lewton
February 17, 2021
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One black hole is nice, but astrophysicists can do a lot more science with 50 of them.

Close-up photograph of a soap bubble with a spot on it that looks as though it must have come from a collision.
Abstractions blog

Physicists Study How Universes Might Bubble Up and Collide

By Charlie Wood
January 25, 2021
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Since they can’t prod actual universes as they inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.

2020 in Review

The Year in Physics

By Michael Moyer
December 23, 2020
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Featuring paradoxical black holes, room-temperature superconductors and a new escape from the prison of time.

Abstractions blog

Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse

By Natalie Wolchover
December 17, 2020
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We don’t know why the universe appears to be expanding faster than it should. New ultra-precise distance measurements have only intensified the problem.

Infographic showing the ranges of possible masses of WIMPs, axions, ultralight dark matter, sub-GeV dark matter and primordial black holes, which are five different candidates for dark matter.
Abstractions blog

The Search for Dark Matter Is Dramatically Expanding

By Charlie Wood
November 23, 2020
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Physicists plan to leave no stone unturned, checking whether dark matter tickles different types of detectors, nudges starlight, warms planetary cores or even lodges in rocks.

A pink beam at the center of a metallic experimental apparatus.
Abstractions blog

Physicists Pin Down Nuclear Reaction From Moments After the Big Bang

By Thomas Lewton
November 11, 2020
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The newly-measured rate of a key nuclear fusion process from the Big Bang matches the picture of the universe 380,000 years later.

Cora Dvorkin in front of a starry backdrop.
Hidden Structure

The Cosmologist Who Dreams in the Universe’s Dark Threads

By Rebecca Boyle
November 5, 2020
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Cora Dvorkin discovered new possibilities for what dark matter could be. Now she’s devising unorthodox ways to identify it.

Hidden Structure

The Hidden Structure of the Universe

By Michael Moyer
October 22, 2020
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Our new series of articles explores the search for fundamental structure at the edge of science.


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