I’m trying to save money and thought about using the sun to help cook our food. Are solar ovens really effective and is it possible to build a simple one myself? – Jill N. Dear Jill: It is possible to ...

NASHVILLE, TENNESSEE — Not all students are relaxing on their summer break. Some are working on an oven that could help fight world hunger. "We call it a hybrid-barrel-panel design because it's a ...

Which solar ovens are best? 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 ...

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 ...