Thousands of years and conspiracies have all led to this: the Great Pyramid of Giza may have been built using the basic ...

Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

A gear close gearA gear is a mechanical part with teeth that interlock with another gear or belt to transfer motion and power while changing speed, or direction in a mechanical system. is a special ...

BikeYoke Shifty has been helping riders get better shifting since 2017, when it introduced the Shifty, a welcome solution to ...

The arrow illustrates the tendon and pulley movement.--Courtesy of Oregon State University Thanks to engineers at Oregon State University, people who have lost the use of their hands due to nerve ...

A fang-like tooth on double upper lips, spiny teeth on the tongue and a pulley-like mechanism to move the tongue backwards and forwards -- this bizarre bite belongs to a conodont and, thanks to a ...