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physics

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An illustration of a spherical universe sitting inside a machine hooked up to wires.
neural networks

How to Make the Universe Think for Us

By Charlie Wood
May 31, 2022
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Physicists are building neural networks out of vibrations, voltages and lasers, arguing that the future of computing lies in exploiting the universe’s complex physical behaviors.

A curly arrow being straightened out.
theoretical physics

Physicists Rewrite the Fundamental Law That Leads to Disorder

By Philip Ball
May 26, 2022
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The second law of thermodynamics is among the most sacred in all of science, but it has always rested on 19th century arguments about probability. New arguments trace its true source to the flows of quantum information.

Illustration of a woman astronomer looking at a map that shows the James Webb Space Telescope capturing images of a distant planet.
The Joy of Why

Will the James Webb Space Telescope Reveal Another Earth?

By Steven Strogatz
May 18, 2022
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The space telescope is one of the most ambitious scientific projects ever undertaken. Marcia Rieke and Nikole Lewis, two of the scientists leading JWST investigations, talk to Steven Strogatz about how it may transform our understanding of the universe.

Illustration of a glass box illuminated inside by a red lightbulb. A ray of green light shoots out of the box.
quantum physics

Puzzling Quantum Scenario Appears Not to Conserve Energy

By Katie McCormick
May 16, 2022
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By resolving a paradox about light in a box, researchers hope to clarify the concept of energy in quantum theory.

astrophysics

Black Hole Image Reveals the Beast Inside the Milky Way’s Heart

By Jonathan O'Callaghan
May 12, 2022
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In 2019, the Event Horizon Telescope released a historic image of a supermassive black hole in another galaxy. The follow-up — an image of Sagittarius A* — shows it shimmering at the center of our own.

Illustration of pieces of paper with scientific images on them feeding into a machine. A human hand turns a crank, and equations come out of the machine.
algorithms

Powerful ‘Machine Scientists’ Distill the Laws of Physics From Raw Data

By Charlie Wood
May 10, 2022
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Researchers say we’re on the cusp of “GoPro physics,” where a camera can point at an event and an algorithm can identify the underlying physics equation.

Illustration of planets and other objects floating above the deformable sheet of space-time.
The Joy of Why

Where Do Space, Time and Gravity Come From?

By Steven Strogatz
May 4, 2022
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Einstein’s description of curved space-time doesn’t easily mesh with a universe made up of quantum wavefunctions. Theoretical physicist Sean Carroll discusses the quest for quantum gravity with host Steven Strogatz.

An illustration of calipers that look blurry
quantum physics

Physicists Pin Down How Quantum Uncertainty Sharpens Measurements

By Ben Brubaker
May 3, 2022
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Throwing out data seems to make measurements of distances and angles more precise. The reason why has been traced to Heisenberg’s uncertainty principle.

planetary science

Secrets of the Moon’s Permanent Shadows Are Coming to Light

By Jonathan O'Callaghan
April 28, 2022
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Robots are about to venture into the sunless depths of lunar craters to investigate ancient water ice trapped there, while remote studies find hints about how water arrives on rocky worlds.


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