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Space

We could protect Earth from dangerous asteroids using a huge magnet

A new spacecraft concept called NOVA could keep asteroids from hitting our planet by using a huge magnet to gradually pull them apart while shifting their trajectories

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Technology

A miniature magnet rivals behemoths in strength for the first time

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Physics

Swirly lasers can control an ungovernable cousin of magnetism

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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

Technology

Tiny jellyfish robots made of ferrofluid can be controlled with light

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Technology

Google's new quantum computer may help us understand how magnets work

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Mars

Space

What would happen if we pulled out Mars’s iron core with a magnet?

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Illustration of altermagnetism in a chemical compound

Physics

The existence of a new kind of magnetism has been confirmed

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A rotating magnet can cause another one to levitate

Technology

Mysterious rotation trick makes magnets float in the air

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Technology

Magnetic-levitation device separates and sorts viruses from the air

Viruses and bacteria floating in the air can be sorted for further analysis using magnets and the metal gadolinium

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Chemistry

Trapping powder quickly removes all microplastics from water

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Physics

Liquid robot can split into tiny droplets and reform into a blob

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Technology

Robot made of sticky tape and metal powder could crawl on your organs

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Physics

Earth’s magnetosphere replicated in miniature using lasers and magnets

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