In less than two minutes, you can learn how to build a rocket stove using only cement blocks. Just watch this brief video, “The 6-Block Rocket Stove,” for the easy instructions. The video’s clever ...
Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." LifeHacker brought ...
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