But powerful magnets are usually large and energy hungry. Chukun Gao at the Swiss Federal Institute of Technology in Zurich and her colleagues sought to build a small ultra-strong magnet that would ...
IFLScience on MSN
This mini magnet is 1 million times stronger than Earth’s own, and it can fit in your hand
Magnets are a crucial technology in our modern life. There are magnets in pretty much all electronics, most household ...
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