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Physics

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How Our Universe Could Emerge as a Hologram

February 21, 2019

Physicists have devised a holographic model of “de Sitter space,” the term for a universe like ours, that could give us new clues about the origin of space and time.

Mysterious Quantum Rule Reconstructed From Scratch

February 13, 2019

The new work promises to give researchers a better grip on the core mystery of quantum mechanics.

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An Astrophysicist Who Maps the Universe’s Terra Incognita

February 4, 2019

Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.

The Double Life of Black Holes

January 29, 2019

Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing.

The Trouble With Turbulence

January 28, 2019

Turbulence is everywhere, yet it is one of the most difficult concepts for physicists to understand.

A Child’s Puzzle Has Helped Unlock the Secrets of Magnetism

January 24, 2019

People have known about magnets since ancient times, but the physics of ferromagnetism remains a mystery. Now a familiar puzzle is getting physicists closer to the answer.

Asteroid Rate Jumped in Solar System’s Past

January 17, 2019

An analysis of lunar craters has found that we’ve been living in a relatively violent period in cosmic history.

How Nearby Stellar Explosions Could Have Killed Off Large Animals

January 15, 2019

Subatomic particles called muons are thought to have streamed through the atmosphere and irradiated megafauna like the monster shark megalodon.

Missing Galaxies? Now There’s Too Many

January 9, 2019

Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.

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