Cool way to store the bits. I saw the other day a video about an old eletronic calculator that stores itens in memory usinglike a piano wire, and microfones, an

Cool way to store the bits. I saw the other day a video about an old eletronic calculator that stores itens in memory usinglike a piano wire, and microfones, and small speakers, to make the cord vibrate, and store the value. It was the Friden ec-132 https://www.youtube.com/watch?v=2BIx2x-Q2fE&t=2s&ab_channel=Numberphile https://www.youtube.com/watch?v=2BIx2x-Q2fE&t=2s&ab_channel=...