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 ...

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 ...

Slingshotting back into Brooklyn is The Great Trebulation, New York City’s only formal catapult-building competition. The fourth annual event returns to Bushwick at noon on Sunday, April 27, and all ...

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 ...

Will Schmidt and Nick Purdy prepped a small wooden catapult to launch a tennis ball at Highlands Elementary School on Tuesday. The boys launched a few balls before the catapult arm became unhinged, ...