91av

Skip to content

Physics

Physics of light and magnetism rewritten after almost two centuries

An experiment 180 years ago first demonstrated a connection between light and electromagnetism – but the link is deeper than we thought

News

A bright star emitting streaks of light that curve outwards as the star moves across the night sky

Space

How faster-than-light explosions could reveal the universe’s secrets

Features

We’ve discovered a new kind of magnetism. What can we do with it?

Physics

We’ve discovered a new kind of magnetism. What can we do with it?

Features

We may be about to solve the greatest riddle of electromagnetism

Physics

We may be about to solve the greatest riddle of electromagnetism

Features

How materials that rewind light can test physics' most extreme ideas

Physics

How materials that rewind light can test physics' most extreme ideas

Features

This illustration lays a depiction of the sun's magnetic fields over an image captured by NASA?s Solar Dynamics Observatory. The complex overlay of lines can teach scientists about the ways the sun's magnetism changes in response to the constant movement on and inside the sun. CREDIT NASA/SDO/AIA/LMSAL http://dx.doi.org/10.1038/s41586-024-07315-1

Space

Source of the sun’s magnetic field may hide right under its surface

News

Liquid magnet propellers could be a safer way to power boats

Technology

Liquid magnet propellers could be a safer way to power boats

News

An artist impression of HD 45166, an unusually magnetic star

Space

Astronomers have found a strange new type of extremely magnetic star

News

Magnetic fields permeate the universe

Space

We may have finally figured out how galaxy-scale magnetic fields arose

News

Earthquake lights taken over Mt. Kimyo, Japan in 1968.

Earth

These bizarre lights in the sky hint at a way to predict earthquakes

Semi-mythical "earthquake lights" may be accompanied by changes to Earth's magnetic field. Now researchers say these changes could be used to forecast major tremors

Features

Space

X-ray map of the Crab nebula reveals strange pockets of turbulence

News

Space

A weird dead star may have a solid-like surface made of iron crystals

News

Technology

Computer made from swirly magnets can recognise handwritten digits

News

Physics

Show children how to make a simple electric motor with a magnet

Regulars