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quantum gravity

Metaphysics 4

Humans

Metaphysics special: What is the meaning of life?

Your life may feel important to you, but does it have meaning? It's the biggest of all questions – and it has more than one answer

Features

Metaphysics 6

Humans

Metaphysics special: Do we have free will?

Features

Metaphysics 3

Physics

Metaphysics special: Why is there something rather than nothing?

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man/background

Space

Why quantum satellites will make it harder for states to snoop

Insight

A and B sign post against a blue sky

Physics

Quantum trick sees two things happen before and after each other

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China's quantum communications satellite launches

Space

China launches world's first quantum communications satellite

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LHC-style supercolliders are entering a make or break phase

Physics

LHC-style supercolliders are entering a make or break phase

Comment

Man peers at dangling circuitry

Technology

Quantum computing race heats up as trapped ions rival microchips

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Artwork showing a cube bearing circuitry and with light beams apparently playing on it

Technology

Error fix for long-lived qubits brings quantum computers nearer

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quantum artwork 1

Physics

Collapse: Has quantum theory's greatest mystery been solved?

Our best theory of reality says things only become real when we look at them. Understanding how the universe came to be requires a better explanation

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Physics

Seven ways to skin Schrödinger’s cat

Features

Physics

You can touch the heart of physics without doing the hard bits

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Technology

Record number of ions get entangled together in a quantum trap

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Physics

Schrödinger's cat alive and dead even after you saw it in half

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