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 ...

This simple invention, Sun Oven, is everything I need to cook, dehydrate, bake and even pasteurize water, should that need ...

In Mexico, a grassroots environmental initiative to use solar power to cook is increasing in popularity. Environmental ...