solenoids
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Computer controlled Bayan from 1988 makes us want to go back to the past
Back in 1988, Russian engineer Vladimir Demin combined a bunch of solenoids (loops of copper wire) and a Bayan (a Russian accordian), to create a self-playable instrument controlled by his awesome, self-built computer. Yes, we're impressed, and you will be too, if you take a look at the video below.
