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 ...

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 ...

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, ...