NIMS, in joint research with the University of Tokyo, AIST, the University of Osaka, and Tohoku University, have proposed a ...
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Why ships have two metal balls on the compass, the clever trick that fixes magnetic errors at sea
A ship’s steel hull becomes part of Earth’s magnetic field, which can quietly skew a magnetic compass in different directions as the vessel turns and heels. This explains how binnacle correctors work, ...
Drag-reduction systems aren't anything new; they've been a staple of racing cars for ages, and shown up on but it seems ...
Monarch butterflies may hold the key to one of biology's biggest unsolved puzzles: how animals tap into Earth's magnetic ...
As Beijing's new licensing rules on samarium and related materials restrict exports of these heat-resistant magnets, America's ability to produce precision-guided munitions has come under pressure.
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