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quantum gravity

microscopic metal membrane

Technology

Squeezed light cools tiny drum to coldest temperature ever

A special trick with lasers helped lower a nano-sized membrane to below the "quantum limit" – colder than was thought possible

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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

Features

Quantum computers ditch all the lasers for easier engineering

Technology

Quantum computers ditch all the lasers for easier engineering

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Quantum photocells, which look like an arrangement of grey squares on a darker background

Life

Quantum solar cells could explain why plants are green

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Starfield where the neutron stars observed are located

Space

Quantum particles seen distorting light from a neutron star

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figure in road

Physics

Physics may be a small but crucial fraction of our reality

Culture

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

Space

Gravity may have chased light in the early universe

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universe

Physics

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

Features

Pink diamond

Technology

Quantum computers can talk to each other via a photon translator

Different kinds of quantum computers encode information using their own wavelengths of light, but a device that modifies their photons could allow them to network

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Physics

Smallest sliver of time yet measured sees electrons fleeing atom

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Physics

Classic quantum experiment could conceal theory of everything

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Space

Reality guide: Six problems physics can't explain

Features

Space

Reality guide: The essential laws of quantum physics

Features

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