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 ...

Look for air bubbles in the water when you pump. If no, make sure the valve can open to let air through from the pump. It may be damaged or screwed shut. If the rocket does fly but not very well ...

Science: Chinese astronauts claim have successfully developed artificial photosynthesis technology in orbit for the first ...

He turned most of the printed parts into machined aluminum and Delrin, making for a very robust ... Perhaps it could even launch a two-stage water rocket?

Try experimenting yourself with different volumes of water. Attach one end of the ... so we've got to do this outside and make sure that the rockets are angled away from everyone.

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Winnie Yan, a Form Five student from Chan Shu Kui Memorial School, exhibited a water rocket she made with her team at the fair. Chiu Cheung-ki, director of the Direct Subsidy Scheme Schools ...

"The Sea Dragon concept has been developed assuming that space transportation economy will result if launch vehicles are used that are very large, simple, and reusable, even if payload-to-liftoff ...