Legendary hot rodder Stan Betz started punching louvers in Frank Kurtis' shop back in the late Forties. Before long he was the most in-demand louver man in the Orange County area. David Williams, not ...

Learn more about how simple machines help make your work easier. A simple machine has few or no moving parts, but it can be used to create wonders. Learn more about how simple machines help make your ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.