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Physics

See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.

Physics

The weird rules of temperature get even stranger in the quantum realm

Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but columnist Jacklin Kwan finds that it鈥檚 not exactly ruled out in the quantum realm

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Conceptual illustration of quantum fluctuations

Physics

The universe may be hiding a fundamentally unknowable quantum secret

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BEIJING - AUGUST 11: (L-R) Eamon Sullivan of Australia, Michael Phelps of the United States and Amaury Leveaux of France compete in the Men's 4 x 100m Freestyle Relay Final held at the National Aquatics Center on Day 3 of the Beijing 2008 Olympic Games on August 11, 2008 in Beijing, China. The United States finished the race in first place in a time of 3:08.24 and wins the gold medal and set a new World Record. Eamon Sullivan of Australia set a time of 47.24 in the first leg, a new World Record. (Photo by Adam Pretty/Getty Images)

Physics

Engaging look at friction shows how it keeps our world rubbing along

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Plastic bottle in a breaking wave

Physics

A remarkable book on quantum mechanics reveals a really big idea

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Reflections in a canal

Physics

We have a new way to explain why we agree on the nature of reality

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A collage of analog clocks against a black background. Some are broken in half

Physics

The daring idea that time is an illusion and how we could prove it

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Illustration of Dark Energy
Physics

Does dark energy stem from a thermodynamic theory of space-time?

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Physics

Let’s nitpick about the physics of Stranger Things, not its ending

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Illustration of nanoparticles

Physics

The edge of the quantum world just moved closer to our reality

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Physics

Chernobyl cooling systems have lost power but meltdown risk is low

An electrical outage at Chernobyl nuclear power plant risks dangerous fuel overheating, but experts say that the chances are extremely slim due to the age of the reactors, which were shut down over two decades ago

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Physics

Embracing quantum spookiness: Best ideas of the century

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Physics

These striking photos are a window into the world of quantum physics

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Physics

Our elegant universe: rethinking nature鈥檚 deepest principle

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Physics

Ghostly particles might just break our understanding of the universe

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