On one ordinary day back in 2012, a hefty envelope turned up in my snail mail containing a very kind letter along with a mechanical drawing so detailed it made me want to chew my hair. The sender ...

Campfires, charcoal grills, and gas-powered camping stoves can definitely make life easier for hungry campers, but they can’t do everything. Sometimes, the only source of heat for cooking is 93 ...

I can use my Sun Oven as a regular oven by refocusing it every 30 minutes to stay in alignment with the sun, or as a slow cooker by just leaving it alone to cook all day. Even after the sun goes away, ...