Children made catapults, slime and “squishy” balls at The Lane School Thursday evening, projects some parents were happy they were making at school and not at home. The evening, organized by the ...

Two teams of kids design and build catapults to fling a tennis ball as far as possible. Two teams of kid engineers design and build catapults to fling a tennis ball as far as possible.

Here’s an Instructables to bring back the obnoxious kid that lives not so far down in all of us: Learn how to turn one of those miniature Altoids tins into a tiny catapult. It’ll be fun for nobody but ...

If humanoid robots are to work alongside us—as doctors, as housekeepers, as anything in between—roboticists need to create dexterous, gentle hands for their machines. As the Economist’s Babbage blog ...