In this second part of the treehouse build, we focus on adding a safety railing, ladder, slide, and pulley system. We ...

A new pulley system installed at Oakland Zoo allowed giraffes to eat at a more natural height, the zoo said on May 15. “Up, up, and away — our new giraffe-feeder system allows our growing herd to ...

Scientists have proposed a groundbreaking new theory on how Egypt's Great Pyramid was built, positing that they had to use a pulley and counterweight weight system to erect it so quickly. It was a ...

Fort Drum, N.Y. (Nov. 20, 2023) — Local fifth-grade students learned the importance of mechanical advantage in a memorable way from Soldiers at Fort Drum when they pulled a truck using a pulley system ...