Ever heard that old phrase “It's hot enough to cook an egg on a sidewalk”? It seems like hyperbole (and even a little gross), but the sun really is powerful enough to cook a variety of foods—provided ...

Every Boy Scout or Girl Guide probably had the experience of building a simple solar oven: an insulated box, some aluminum foil, and plastic wrap, and voila! On warm, sunny, summer days, you can bake.

Graphic shows the parts of a box solar cooker with the glass lid open and metal reflectors with two pots inside on a white background. 3D Illustration Use these solar oven plans to make a solar oven ...