“If you take a regular piece of paper and try to make it fly, it will flutter, tumble, flip around in the air and do all sorts of crazy motions,” says Leif Ristroph, an associate professor of ...

Introduction Have you ever wondered what makes a paper plane fly? Some paper planes clearly fly better than others. But why is this? One factor is the kind of design used to build the plane. In this ...

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 ...

Page 16 of Every Little Boy’s Book details the folding of a piece of paper such that "when thrown from the hand, rarely hits the object aimed at, as it generally makes a graceful curve in passing ...