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

[The Q] is one such experimenter, who built a dual-thrust water rocket that even has a parachute for landing! The testing took place in an area strangely reminiscent of a certain operating system.

The rocket stove was able to effortlessly heat 80 liters of water to 70°C in a little over an hour using a few scraps of wood. The metalworking skills of [Little Aussie Rockets] are also on full ...