How does an airplane lift off the ground? How does an airplane lift off the ground? Learn how planes use lift and thrust to fly, then make your own paper airplane catapult. How does an airplane lift ...

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 ...