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 ...

John Collins knows how to make a piece of paper go the distance. In 2012, he set the world record for the farthest flight for a paper aircraft. Collins, who's known as "The Paper Airplane Guy," has ...

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 ...