Use a combination of simple machines to build a catapult. Use a combination of simple machines, a lever, and an axle to build a catapult, and then use the catapult to conduct a simple investigation ...

In this video, we showcase the construction of a 23-foot model of the USS Nimitz, complete with 32 detailed aircraft and a fully functional catapult. Watch the step-by-step process, intricate details, ...

In his new book Defending Your Castle, William Gurstelle shows you how to build catapults, crossbows and all the other devices you need to keep the invading hordes at bay. For this project to work ...

Learn to build a candy catapult today at the Kids Space at the Cincinnati Museum Center Learn to build a candy catapult today at the Kids Space at the Cincinnati ...

NASA is backing a radically different way to reach space, one that swaps towering rockets for a ground-based launcher that whips payloads to orbital speeds before they ever see a drop of fuel. The ...

WASHINGTON — Kepler Communications, a Canadian startup designing a network of 140 telecom cubesats, has teamed up with the Satellite Applications Catapult in the U.K. to build a third and final ...

China's new amphibious assault ship is massive, unusual, and a bit of a mystery. It's a noteworthy addition to the Chinese navy, seemingly capable of fulfilling various purposes and missions. The Type ...