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Microplastic pollution of the sea

Chemistry

Trapping powder quickly removes all microplastics from water

A cheap powder can help treat wastewater by rapidly absorbing microscopic bits of plastic pollution – and because it is also magnetic, both can then be removed with magnets

News

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

News

robot

Technology

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

News

Magnetosphere

Physics

Earth’s magnetosphere replicated in miniature using lasers and magnets

News

Strongest ever magnetic field fails to make predicted exotic particles

Physics

Strongest ever magnetic field fails to make predicted exotic particles

no-section

Nearly blind mole rats use their eyes to detect magnetic fields

Environment

Nearly blind mole rats use their eyes to detect magnetic fields

News

Does magnetism decay over time?

Last Word

Does magnetism decay over time?

Regulars

Electromagnetism

Definition

Electromagnetism

This week’s new questions

Last Word

This week’s new questions

Regulars

Magnetic field

Physics

Exotic super magnets could shake up medicine, cosmology and computing

Their unique blend of electric and magnetic properties was long thought impossible. Now multiferroics are shaking up fields from dark matter hunting to finding cancer

Features

Environment

Tiny magnets could help rid the ocean of harmful microplastics

News

Physics

New type of pipe for pumping blood is just liquid with no pipe

News

Physics

Weird new type of magnetic liquid could be used to control soft robots

News

Mind

Our brains might sense Earth's magnetic field just like birds do

News