It’s a great way to send a water rocket ever higher, but [The Q] didn’t stop there. The build was also fitted with a wind-up module from a little walking toy, colloquially referred to as a ...

they can also be used to provide a large amount of hot water to something like an off-grid home as well. [Little Aussie Rockets] starts off the build by fabricating the feed point for the fuel out ...

DR YAN WONG:'Pumping air into the bottle 'causes the pressure inside the rocket to build up ... So try it at home. Children from Links Primary School in London investigate water rockets.