Check out Polymagnets - from Destin at Smarter Every Day. Good stuff starts at 2:00
The company can be found here: Polymagnets
This is seriously awesome technology. I kind of think I know what they are doing but to be able to do it with this level of precision is amazing. You can buy their magnets on their website for under $4.00 - going to get a couple of them. Times like this I wish my Dad was still alive - would have loved to have shown them to him and let him try to figure out what was going on...
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