These days, humans have gotten all fancy-schmancy with their gas and electric water heaters. Heck, some are even using heat pumps to ... shower from your outdoor wood stove, a build like this ...

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 ...