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electromagnetism

Space

How the electromagnetic spectrum opened our eyes to the universe

Our understanding of the electromagnetic spectrum goes back to Isaac Newton, but astronomers are still finding new ways to employ it. Astrophysicist Emma Chapman explores how much these invisible waves can reveal to us about the cosmos – and whether they might show us that we’re not alone

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Health

Can we harness quantum effects to create a new kind of healthcare?

Features

Physics

Why do particle physicists like spending time in fields?

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Physics

Physics of light and magnetism rewritten after almost two centuries

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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

Physics

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

Features

Physics

We may be about to solve the greatest riddle of electromagnetism

Features

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

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Technology

Liquid magnet propellers could be a safer way to power boats

Sharp metal propellers can harm wildlife, so an alternative made using ferrofluid could be a better approach, if it can be tweaked to work at higher speeds

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Space

Astronomers have found a strange new type of extremely magnetic star

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Space

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

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Earth

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

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Space

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

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