NASA engineer uses blacklight to show how quickly germs spread
https://youtube.com/watch?v=I5-dI74zxPg%3Fversion%3D3%26rel%3D1%26fs%3D1%26autohide%3D2%26showsearch%3D0%26showinfo%3D1%26iv_load_policy%3D1%26wmode%3Dtransparent A former NASA engineer created a shocking video to show just how quickly germs spread using a special glow powder and …