Discover the physics that matters

Technology

Molecular antennae

Advancements in LED physics show promise for communication systems and medical diagnoses

Everyday physics

Conservation of linear momentum

From billiard balls and bullets to rockets and light, discover how a universal symmetry of nature preserves momentum everywhere.

Quantum physics

Quantum tunneling

A journey into the quantum world, where particles defy walls, probabilities rule, and tunneling powers the stars and life itself.

History of physics

Ampère's law

The law that revealed the hidden link between electricity and magnetism.

Quantum physics

Revisiting Bohr and Einstein, 100 Years On

How a modern MIT experiment answers one of the deepest questions in the Bohr–Einstein debate

Editorial

The theorising and discovery of black holes: the 2020 Physics Nobel

With increasing evidence being gathered about their existence, the 2020 physics Nobel finally recognised work done on black holes—but too late for Hawking.

Space

LIGO detects gravitational waves

LIGO made the first direct detection of gravitational waves, but what is LIGO, what are gravitational waves and why does this matter?

Technology

The wonders of semiconductors, part 1

An exploration of the atomic world to uncover what makes semiconductors, the foundations of modern technology, so unique.

Space

How to fight asteroids

An asteroid has hit the Earth before and may hit it again with devastating consequences: figuring out how we can fight one is a very real problem physicists are trying to solve

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