It had to come to this. For his entry into this year’s Hackaday Prize, [Sean Hodgins] created a persistence of vision fidget spinner. This isn’t just any PoV fidget spinner — this is the ultimate in ...

Fidget spinners have become massively popular in recent months — the toy has been marketed as a remedy for Attention Deficit Hyperactivity Disorder (ADHD), anxiety and autism. But these toys come with ...