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Colourful lines of light against a black background skirt around a marble

Space

Gravity may have chased light in the early universe

A new twist on a controversial idea suggests the speed of light varied just after the big bang - and could overturn our standard cosmological wisdom

News

universe

Physics

The world in 2076: The theory of everything is here – we think

Features

sputnik

Space

The inventions of our lifetime, picked by the people who know

Features

Pink diamond

Technology

Quantum computers can talk to each other via a photon translator

News

Visualisation of electron leaving atom

Physics

Smallest sliver of time yet measured sees electrons fleeing atom

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double-slit experiment

Physics

Classic quantum experiment could conceal theory of everything

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Three women wearing very large glasses

Technology

Glasses make face recognition tech think you're Milla Jovovich

News

Video games become political as US election looms

Technology

Video games become political as US election looms

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Google's neural networks invent their own encryption

Technology

Google's neural networks invent their own encryption

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IBM's Watson

Technology

Dr House goes digital as IBM's Watson diagnoses rare diseases

Doctors will use Watson as a diagnostic tool after finding it could match symptoms with potential rare diseases as well as a human – but faster

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Space

Reality guide: Six problems physics can't explain

Features

Space

Reality guide: The essential laws of quantum physics

Features

Space

Reality guide: Six radical ideas to change physics

Features

Physics

Quantum teleportation over 7 kilometres of cables smashes record

News