Thomas P. Russell
No longer all magnets must be solids – a brand new extra or less liquid magnet might perhaps well also sooner or later support withhold a watch on wi-fi gentle robots.
Liquid magnets of a form already exist. These ferrofluids are a mixture of a non-magnetic liquid and genuine magnetic nanoparticles, however they handiest work when under the affect of an external magnetic field. Thomas Russell at the University of Massachusetts Amherst and his colleagues own been in a field to flip a ferrofluid into a in point of fact magnetic fluid that retains its magnetic properties.
They did this the utilization of magnetic …
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