Add Yahoo as a preferred source to see more of our stories on Google. At some point in everyone’s life—usually during a particularly dull moment in third grade—a plain white piece of paper inspires a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. How you fold a paper airplane can determine how fast or how far it ...

Unsure about a new design? Scientists and engineers often start with a model. With a model, you can test new ideas on a small-scale before going bigger. They are also cheaper, easier to produce, and ...

We’ve always had a fascination with things that fly. Sure, drones are the latest incarnation of that, but there have been RC planes, kites, and all sorts of flying toys and gizmos even before manned ...