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magnets

Physics

The existence of a new kind of magnetism has been confirmed

Altermagnets, theorised to exist but never before seen, have been measured for the first time and they could help us make new types of magnetic computers

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Illustration of altermagnetism in a chemical compound

Technology

Mysterious rotation trick makes magnets float in the air

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A rotating magnet can cause another one to levitate

Technology

Magnetic-levitation device separates and sorts viruses from the air

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Microplastic pollution of the sea

Chemistry

Trapping powder quickly removes all microplastics from water

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

Physics

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

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robot

Technology

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

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Magnetosphere

Physics

Earth’s magnetosphere replicated in miniature using lasers and magnets

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Strongest ever magnetic field fails to make predicted exotic particles

Physics

Strongest ever magnetic field fails to make predicted exotic particles

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Nearly blind mole rats use their eyes to detect magnetic fields

Environment

Nearly blind mole rats use their eyes to detect magnetic fields

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Does magnetism decay over time?

Last Word

Does magnetism decay over time?

Does the strength of magnetism of bar magnets and magnetic ores decay over time, like radioactivity does?

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Electromagnetism

Definition

Electromagnetism

magnets

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This week’s new questions

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This week’s new questions

magnets

Magnetic field

Physics

Exotic super magnets could shake up medicine, cosmology and computing

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Plastic in the ocean

Environment

Tiny magnets could help rid the ocean of harmful microplastics

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