Playing with super strong neodymium magnets, they have so many uses! Lots of cool magnet hacks. My personal favourite is a homopolar motor, but other things I show in this video are: Playing with magnets, Hanging things, putting a mac to sleep, playing darts, finding wall studs, magnetising a screwdriver, floating things (levitation) and making jewellery.
Small spheres here: https://goo.gl/Z1evTy
Buy the other magnets here: http://amzn.to/2AqzrMq
NOTE: USBs will not be affected by these magnets, but your HDDs will! https://www.youtube.com/watch?v=o6k4bIuDbn4
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