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 ...
THE HUMBLE magnet may not seem to belong alongside steel, microchips and oil as a chess piece in the great diplomatic game. But on April 4th, as part of its retaliation against America’s tariffs, ...
New Scientist on MSN
A miniature magnet rivals behemoths in strength for the first time
Strong magnets tend to be large and power-hungry, but a new design has produced a powerful magnet that fits in the palm of ...
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