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It's the twenty-first century, so we know our technology. We have supercomputers in our back pockets, for crying out loud! But have you thought about the technology we've had so long we rarely notice ще→it? If you will allow us to go retro for a bit, we'll regale you in the history of the magnet, one of the most useful and widely applicable scientific tools in our arsenal. Common uses for magnets include VHS tapes, which contain a reel of magnetic tape; credit, debit, and ATM cards, which use a magnetic strip encoded with your unique information; older televisions and computer monitors used magnets to guide electrons to the screen; speakers and microphones employ a permanent magnet to convert …