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Space

Reality guide: The essential laws of quantum physics

The theory that governs the workings of subatomic particles and forces is notoriously inscrutable – but what principles make it look like it does?

Features

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Space

Reality guide: Six radical ideas to change physics

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Physics

Quantum teleportation over 7 kilometres of cables smashes record

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Physics

Five particles that don't exist – yet could change our world

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Physics

Lessons in reality from particles that don't exist

Features

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Technology

Revealed: Google's plan for quantum computer supremacy

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Humans

Metaphysics special: Do we have free will?

Features

Metaphysics 3

Physics

Metaphysics special: Why is there something rather than nothing?

Features

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Humans

Metaphysics special: What is reality made of?

Features

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

Humans

Metaphysics special: Is time an illusion?

Features

Space

Why quantum satellites will make it harder for states to snoop

Insight

Physics

Quantum trick sees two things happen before and after each other

News

Space

China launches world's first quantum communications satellite

News