Before smartphones rewired our brains, an entire generation developed nine distinct mental superpowers that modern psychology is only now beginning to understand—and they might explain why your ...
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The real reason ships have two balls by the compass, correcting magnetic errors at sea
Those two metal spheres are not decoration, they are Kelvin’s balls, part of a precise system that counteracts magnetic errors caused by steel hulls. This explains how permanent and induced magnetism ...
Ancient magnetic fossils reveal that animal navigation using Earth’s magnetic field may have evolved far earlier than ...
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