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physics

Latest Articles

Four spheres representing a nucleus surrounded by two additional spheres.
atomic physics

An Antimatter Experiment Shows Surprises Near Absolute Zero

By Charlie Wood
March 16, 2022
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An experiment conducted on hybrid matter-antimatter atoms has defied researchers’ expectations.

A grid of 66 galaxies.
astrophysics

Tiny Galaxies Reveal Secrets of Supermassive Black Holes

By Charlie Wood
March 14, 2022
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Dwarf galaxies weren’t supposed to have big black holes. Their surprise discovery has revealed clues about how the universe’s biggest black holes could have formed.

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.

astronomy

Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’

By Ben Brubaker
February 28, 2022
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When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing.

Q&A

In Search of Cracks in Albert Einstein’s Theory of Gravity

By Thomas Lewton
February 23, 2022
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Celia Escamilla-Rivera is combining large data sets with supercomputers to test general relativity against its little-known competitors.

particle physics

The Mysterious Forces Inside the Nucleus Grow a Little Less Strange

By Charlie Wood
February 14, 2022
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The strong force holds protons and neutrons together, but the theory behind it is largely inscrutable. Two new approaches show how it works.

quantum physics

Quantum Complexity Tamed by Machine Learning

By Charlie Wood
February 7, 2022
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If only scientists understood exactly how electrons act in molecules, they’d be able to predict the behavior of everything from experimental drugs to high-temperature superconductors. Following decades of physics-based insights, artificial intelligence systems are taking the next leap.

Photo of an array of metal tubes and glass pieces, with an orange laser cutting horizontally across
machine learning

Machine Learning Gets a Quantum Speedup

By Max G. Levy
February 4, 2022
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Two teams have shown how quantum approaches can solve problems faster than classical computers, bringing physics and computer science closer together.

climate science

Solving the Faint-Sun Paradox

By Jonathan O'Callaghan
January 27, 2022
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We might have a past faint sun to owe for life’s existence. This has consequences for the possibility of life outside Earth.


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