Building this launcher is simple if you already have a mill. It does a remarkable job of pressurizing and launching soda bottles which are partially filled with water. The main component of this ...

Make a launchpad that holds the bottle with the neck downwards, lets you attach the pump and stand behind the bottle. One good method is to plant a spade or garden fork in the ground at a low angle ...

He’ll be the talk of the 4th of July picnic once he brings out his latest build—a weaponized, remote-controlled strandbeest that shoots bottle rockets. There are a bank of money shots up on Imgur.

The bottle rocket challenge: faces from across the BBC compete to build and launch bottle rockets. Whose will fly highest? Could you do better? • As well as how-to films, all experiments are ...

Build and launch a rocket powered by a chemical reaction between baking soda and vinegar! This exciting experiment demonstrates how chemical reactions can create pressure, and how that pressure can be ...