If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...
Magnets are defined as substances that can generate a magnetic field. Magnetic fields in modern medicine are widespread due to their physical and chemical properties. As such, there are many uses of ...
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