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General_relativity

Definition

General relativity

General relativity is one of two pillars of modern physics – our working theory of gravity and of the very large, of planets, galaxies and the universe as a whole

Star Trek

Physics

How Star Trek’s warp drives touch on one of physics' biggest mysteries

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What is quantum field theory?

Question

What is quantum field theory?

Black holes

Definition

Black holes

The multiverse - are there multiple universes?

Question

Are there multiple universes?

Dark matter

Definition

Dark matter

Pentaquark

Physics

Bizarre pentaquark turns out to be a new kind of subatomic 'molecule'

News

We've seen signs of a mirror-image universe that is touching our own

Space

We've seen signs of a mirror-image universe that is touching our own

Features

Chien-Shiung Wu

People in Science

Chien-Shiung Wu

Causality

Definition

Causality

Causality is the study of how things influence one other, how causes lead to effects.

Physics

The secret of dark matter could be a particle the size of a planet

Features

Physics

The kilogram has been transformed as new definition takes hold

Regulars

Physics

Physicist Kate Shaw on Higgs bosons and how reality is an illusion

Regulars

Physics

Axions may or may not exist - but we're not just making things up

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