Sandpaper Attached to Wedge?
It’s common knowledge that wedges should produce spin. It is difficult to find explanations for how the grooves on a wedge produce spin. Most people say grooves increase friction. Does that mean a wedge with extreme friction would be excellent? To find the answer, we built a sandpaper wedge and tested it against a normal… [Continue Reading “Sandpaper Attached to Wedge?”]