Слизь керований магнітом може рухатися в вузьких просторах і хапати об єкти

Slime that can be controlled by a magnetic field can navigate tight spaces and grasp objects, making it ideal for possible uses inside the body.

Li Zhang at the Chinese University of Hong Kong and his colleagues mixed neodymium magnet particles with borax, a common household detergent, and polyvinyl alcohol, a kind of resin, to form a slime that can be controlled …