PEOPLE asked medical and nail experts to weigh in on the potential risks associated with the magnetic nail polish ...
the magnetic moments of atoms align in a certain direction. This is how an iron nail sticks to a magnet, for example. There are also substances that are antiferromagnetic. This is rare ...
The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core makes a temporary electromagnet. It loses its ...
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