This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, pulleys and gears. The amplification of a force is called mechanical advantage ...

When thinking of humanity’s ability to harness wind energy, many people will conjure images of windmills from places like The Netherlands or Persia. But people have been using wind energy ...

One common misconception is that belts will slip more frequently on composite pulleys than on metal pulleys. Not so! The wedging action of V-belts is so efficient that slip should never be an issue; ...

We all know that success in racing requires paying attention to the details. Too often, it's the little things that throw a monkey wrench into what would have otherwise been a successful night of ...