A rocket stove works by having such a strong draft created by the heat rising up the chimney that the flames can’t crawl up the fuel and burn in the open air, creating a controlled burn zone.

Hackers [Navic] and [K.o.D] have fitted an Arduino Pro Mini and an array of components into an off the shelf rocketry kit to create a guided model rocket, taking the whole idea of Arduino-based ...

This reduces resistance and helps the rocket cut through the air. However, I didn't think Greg's wafer cone would make much of a difference at that jaunty angle. ‘Duffy’ (Cathy Shipton): What ...