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

Al Williams and I were talking about water rockets on the podcast the other day, and I realized that this was a perfect example of an open-ended simple project. It sounds really easy: you put some ...

Water rockets are plenty of fun, but they can be even more fun if you go wild with the engineering. [The Q] is one such experimenter, who built a dual-thrust water rocket that even has a parachute ...

Scientists are developing a new space propulsion system that uses water as fuel, promising a more sustainable way to explore ...

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.

Can water really power a rocket? Scientists are exploring ways to use water as fuel, from splitting it into hydrogen and ...

Part of the rocket will be ejected and land in large ... velocity and create an “explosive event at the surface of the water,” or a “soft water landing and tip over and sink or explode ...

Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres.

Lunar Trailblazer is part of a growing list of probes and landers heading toward the moon to search for water ice.

Once there was a company called AffinityLifeStyles.com. It sold Alkaline Waters – and got into “hot” water. It’s now bankrupt ...

To get the rocket to work properly, we have to get the right amount of water in the bottle. Not as easy as it sounds. Try experimenting yourself with different volumes of water. Attach one end of ...