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Newton’s first law says that objects move at constant speeds until a force affects them

Physics

Newton’s first law appears to break down in the quantum realm

Newton’s first law of motion says that particles move in straight lines unless influenced by a force but a new experiment shows that the quantum version of that assumption fails for quantum particles of light

News

Quantum entanglement. Conceptual artwork of a pair of entangled quantum particles or events (left and right) interacting at a distance. Quantum entanglement is one of the consequences of quantum theory. Two particles will appear to be linked across space and time, with changes to one of the particles (such as an observation or measurement) affecting the other one. This instantaneous effect appears to be independent of both space and time, meaning that, in the quantum realm, effect may precede cause.

Physics

Strange quantum effect observed in unusually large object

News

The quantum world: A concise guide to the particles that make reality

Physics

The quantum world: A concise guide to the particles that make reality

Features

Space

How to understand wormholes and their weird quantum effects

News

This new version of quantum theory is even stranger than the original

Physics

This new version of quantum theory is even stranger than the original

Features

How can we understand quantum reality if it is impossible to measure?

Physics

How can we understand quantum reality if it is impossible to measure?

Features

How to beat your family at board games with quantum tricks

Physics

How to beat your family at board games with quantum tricks

Features

13 of the most profound questions about the cosmos and ourselves

Life

13 of the most profound questions about the cosmos and ourselves

Features

Do we distil reality from the quantum fog or does it exist without us?

Physics

Do we distil reality from the quantum fog or does it exist without us?

Features

This is what makes the quantum world so strange and confusing

Physics

This is what makes the quantum world so strange and confusing

Particles in many places at once, spooky influences and cats that are dead and alive at the same time – these are the phenomena that earned quantum theory its reputation for weirdness

Features

Technology

China beats Google to claim the world's most powerful quantum computer

News

Space

Science with Sam: What is a black hole? And could you survive one?

Video

Science with Sam: What is a black hole? And could you survive one?

Video

Definition

Weak nuclear force