It works using a pulley system that raises and lowers the bed on all four corners using rails and an electric winch motor that's mounted on the exterior of the house. In a nice touch, some curtains ...

It was a real pyramid scheme. Scientists have proposed a groundbreaking new theory on how Egypt’s Great Pyramid was built, positing that they used a pulley and counterweight system to erect it so ...

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 ...

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 ...