Magnets, how do they work? Here they are not so much working as playing. YouTuber Magnetic Games built a seven-note scale using magnets and the resonance they provide when they repel each other. After tuning the screws, he plays a couple of songs you will recognize. I’m not all that sure what he’s doing in the second half of the video, but it looks like a lot of fun. But you’re just wondering where you can get a big bag of magnets to play with. At the YouTube page, there’s a list of them linked to their product pages. You have to wonder how much trouble they cause for the shipper. -via Nag on the Lake
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Source: neatorama