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quantum gravity

Plain full of city lights with Milky Way above

Space

Starlight test shows quantum world has been weird for 600 years

Unknown physics that could undermine quantum theory has been ruled out in a measurement guided by starlight emitted at least six centuries ago

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Physics

Essence of reality: Hunting the universe's most basic ingredient

Features

Analogue alarm clock

Physics

One time or another: Our best 5 theories of the fourth dimension

Features

Diamond anvils being used to put pressure on hydrogen sample

Physics

Metallic hydrogen finally made in lab at mind-boggling pressure

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Avogadro project experiment, involving counting atoms in a silicon sphere

Physics

Vacuum transfer advance will help redefine kilogram next year

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Plasma tidal wave may tell us if black holes destroy information

Space

Plasma tidal wave may tell us if black holes destroy information

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multiverse artwork

Physics

Mapping the multiverse: How far away is your parallel self?

Features

microscopic metal membrane

Technology

Squeezed light cools tiny drum to coldest temperature ever

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quantum physics

Physics

Physicists can't agree on what the quantum world looks like

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floating man

Physics

Antigravity: Discovering if antimatter falls upwards

If anything fell upwards, it would rewrite physics textbooks. Amazingly fiddly experiments to test whether antimatter can do just this are kicking off

Features

Technology

Quantum computers ditch all the lasers for easier engineering

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Life

Quantum solar cells could explain why plants are green

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Space

Quantum particles seen distorting light from a neutron star

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Physics

Physics may be a small but crucial fraction of our reality

Culture

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