Water gets pushed down, bottle flies up. Done? Oh no! The first step into more sophistication is the aerodynamics. But honestly, if you make something vaguely rocket-shaped with fins, it’ll ...

Water rockets are created from plastic bottles, made aerodynamic by nose cones and fins. The rocket is part filled with water, and air is pumped in with a foot pump. When the rocket is released ...

The pan, produced by FireUp, features fins around its outside inspired by heat transfer methods used in jet engines and rockets. Inventors say the fins help to more efficiently distribute heat ...