The physics of floating screwdrivers
 
I explain how a jet of air can float a common screwdriver. Plans to make your own fluid turbulence disc: http://makezine.com/projects/rheoscopic-coffee-table/ Support more Applied Science videos: https://www.patreon.com/AppliedScience Nighthawkinlight's video about floating screwdrivers: https://www.youtube.com/watch?v=fceUcRfbCcQ