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 ...

Never fire it towards or over anyone ... Oh, and an apple may have fallen on his head. The water bottle rocket demonstrates two of his laws. Every action has an equal and opposite reaction.

A rocket stove offers a practical way to concentrate fire’s heat in one direction and reduce fuel consumption. Whether you ...

SCHOOL BOY #1:Fire's out one end and– SCHOOL BOY #2 ... Children from Links Primary School in London investigate water rockets. Dr Yan Wong explains the theory behind rocket power, and the ...