With simple, step-by-step instructions, you’ll learn how to craft an energy-efficient stove using recycled materials. Ideal for off-grid living or emergency ... EDGE Of Our Solar System Torpedo ...

but we have had a more conventional solar oven or two. This dish-based solution would probably benefit from a sun tracker.

Homemade stoves are a very popular hack, you can find a zillion videos on YouTube, mostly on alcohol stoves, and they work great. Less common are butane fueled stoves, but [Thomas Kim] has ...