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melting cubes of ice

Physics

Physicists have worked out how to melt any material

A new equation shows a surprisingly simple relationship between pressure and the temperature needed to melt any solid substance into a liquid

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Physics

We've glimpsed something that behaves like a particle of gravity

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Physics

Most accurate clock ever can tick for 40 billion years without error

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How to wrap your head around the most mind-bending theories of reality

Physics

How to wrap your head around the most mind-bending theories of reality

Features

People run from bulls in Pamplona, Spain

Physics

‘Running of the bulls’ festival crowds move like charged particles

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Physics

Rethinking space and time could let us do away with dark matter

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Abstract art

Technology

Quantum memory device could stop unhackable networks from failing

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Physics

How one theory ties together everything we know about the universe

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Physics

UK spurns European invitation to join ITER nuclear fusion project

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Physics

How do you recycle a nuclear fusion reactor? We're about to find out

The UK's JET nuclear fusion reactor has been shut down after 40 years, and now researchers hope to repurpose many of its components in a world-first attempt at recycling a tokamak reactor

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Mathematics

Why science relies too much on mathematics

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Physics

Odd quantum property may let us chill things closer to absolute zero

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Physics

A single atom could drive a piston in a quantum engine

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Space

Russia’s space weapon: Is it nuclear and does it pose a threat?

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