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 ...

There is something interesting about watching the arms of a fidget spinner go in circles. But is it a tool to improve focus or a distracting toy? Katie Leung Pui-yan is a partner, child and family ...