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Pentaquark

Physics

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

The pentaquark, an elusive particle first spotted by the Large Hadron Collider in 2015, is made of two smaller particles stuck together in a sort of miniature molecule

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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

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

Physics

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

Features

The kilogram has been transformed as new definition takes hold

Physics

The kilogram has been transformed as new definition takes hold

Regulars

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

Physics

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

Comment

Kate Shaw

Physics

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

Regulars

Quantum physics

Definition

Quantum physics

Schrödinger’s cat

Definition

Schrödinger’s cat

A thought experiment that highlights the strangeness of quantum theory

Definition

Uncertainty principle

Life

Working hypothesis: From slow ramblers to asteroid Ryugu

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Physics

What would happen if you got sucked into a black hole?

Features

Technology

Don't miss: Kubrick's genius, Haida mythology and the power of emotion

Culture