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Physics

Latest Articles

Continents of the Underworld Come Into Focus

January 7, 2020

Giant blobs nestled deep in the Earth may influence everything from the structure of island chains to mass-extinction events.

The Year in Physics

December 23, 2019

Physicists saw a black hole for the first time, debated the expansion rate of the universe, pondered the origin of time and modeled the end of clouds.

Toward a Grand Unified Theory of Snowflakes

December 19, 2019

Snow crystals come in two main types. The “pope” of snowflake physics has a new theory that explains why.

Famous Fluid Equations Spring a Leak

December 18, 2019

Researchers have spent centuries looking for a scenario in which the Euler fluid equations fail. Now a mathematician has finally found one.

No Dark Energy? No Chance, Cosmologists Contend

December 17, 2019

A study challenged the evidence for the mysterious antigravitational force known as dark energy. Then cosmologists shot back.

Astronomers Find Black Holes Stirring Up the Biggest Galaxies

December 12, 2019

After a space telescope disintegrated, astrophysicists had little hope of understanding how supermassive black holes agitate giant galaxies. Then they invented a hack.

Why the Laws of Physics Are Inevitable

December 9, 2019

By considering simple symmetries, physicists working on the “bootstrap” can rediscover the basic form of the known forces that shape the universe.

Does Natural Law Need Elegant Mathematics?

December 5, 2019

Many of us are drawn to beauty in mathematics. But is that the way nature really works?

Black Hole Singularities Are as Inescapable as Expected

December 2, 2019

For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.

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