Exponential decay - why your fidget spinner won't spin for longer

Matt's video: https://youtu.be/OWCAlJ1vsqc My second unlisted video: https://youtu.be/JIWcFvLwITk I measure how the speed of a fidget spinner changes to show why it's so hard to get one to spin for substantially longer. This is the fidget pinner I use: http://amzn.to/2sKfEGT Here's the raw data: https://pastebin.com/raw/neb8qPg5 Facebook: https://www.facebook.com/stevemouldscience Twitter here: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience Buy nerdy maths things here: http://mathsgear.co.uk