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theoretical physics

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quantum physics

Closed Loophole Confirms the Unreality of the Quantum World

By Anil Ananthaswamy
July 25, 2018
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A quickly closed loophole has proved that the “great smoky dragon” of quantum mechanics may forever elude capture.

Photo of Jupiter for "Mathematicians Tame Turbulence in Flattened Fluids"
fluid dynamics

Mathematicians Tame Turbulence in Flattened Fluids

By Joshua Sokol
June 27, 2018
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By squeezing fluids into flat sheets, researchers can get a handle on the strange ways that turbulence feeds energy into a system instead of eating it away.

Quantized Columns

There Are No Laws of Physics. There’s Only the Landscape.

By Robbert Dijkgraaf
June 4, 2018
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Scientists seek a single description of reality. But modern physics allows for many different descriptions, many equivalent to one another, connected through a vast landscape of mathematical possibility.

Photo of Michela Massimi
Q&A

Questioning Truth, Reality and the Role of Science

By Philip Ball
May 24, 2018
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In an era when untestable ideas such as the multiverse hold sway, Michela Massimi defends science from those who think it hopelessly unmoored from physical reality.

Illustration for "Mathematicians Explore Mirror Link Between Two Geometric Worlds"
geometry

Mathematicians Explore Mirror Link Between Two Geometric Worlds

By Kevin Hartnett
April 9, 2018
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Decades after physicists happened upon a stunning mathematical coincidence, researchers are getting close to understanding the link between two seemingly unrelated geometric universes.

520px illustration for black hole echoes
Quantized Columns

Black Hole Echoes Would Reveal Break With Einstein’s Theory

By Sabine Hossenfelder
March 22, 2018
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Gravitational waves have opened up new ways to test the properties of black holes — and Einstein’s theory of gravity along with them.

Photo of Stephen Hawking in 1979 in Princeton, New Jersey.
Abstractions blog

Why Stephen Hawking’s Black Hole Puzzle Keeps Puzzling

By Jennifer Ouellette
March 14, 2018
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The renowned British physicist, who died at 76, left behind a riddle that could eventually lead his successors to the theory of quantum gravity.

Illustration of a bowl of dark energy on a weighing scale
Abstractions blog

Why the Tiny Weight of Empty Space Is Such a Huge Mystery

By Natalie Wolchover
March 12, 2018
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The amount of energy infusing empty space seems too small to explain without a multiverse. But physicists have at least one alternative left to explore.

An illustration of gravity as particles
quantum gravity

Physicists Find a Way to See the ‘Grin’ of Quantum Gravity

By Natalie Wolchover
March 6, 2018
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A recently proposed experiment would confirm that gravity is a quantum force.


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