Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

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 ...

This clip has detailed instructions and guidelines that could be used prior to initiating an investigation into simple water rocket design and construction. It explains how rockets work and ...