In 2023, a terrifying video went viral on social media in which a passenger seated next to a helicopter pilot attempted to pull a lever. The move is clearly a major safety hazard, as passengers are ...

Some exercises just look awesome. We've all seen someone show off a move that takes unbelievable balance, concentration, and strength, appearing to bend the laws of physics and defy gravity. These are ...

Levers are literally all around us. You body uses them to move, pick up a pen to sign your name and you’ll use mechanical advantage to make that ballpoint roll, and that can of soda doesn’t open ...

The advantages of gear-and-lever voting machine, c. 1898, over the ballot box were many, including that it kept a running count, thus speeding up the reporting of results. Hugh Talman, NMAH Editor's ...

Lever guns can jam. Most often, it's because the lever was not cycled with authority or because the gun was dirty. Sometimes you can clear these stoppages by jiggling the lever, shaking the rifle, and ...