‘Black Hole’ – Great colorful photographs of paint being flung by centrifugal force by Swiss photographer Fabian Oefner who in this latest project, combined a metallic rod with an electric drill, covered in paint.
Easy Fidget Spinner DIY (Free Template) - hce is a great how to make Fidget Spinners without bearings DIY. The use super basic materials and are easy to make. It includes a Free Fidget Spinner Template designs) and would be great Science Fair project
"Unlike the golf swing, there are almost no centrifugal forces at work in the putting stroke. Therefore, whatever you do at address pretty much determines what you’ll do with the putter during the stroke." Golf Tips Magazine