Finding a discarded offset-focus DirecTV dish, he glued a grid of 230 inch-square mirror ... dish solar furnaces here on these pages, but we have had a more conventional solar oven or two.

Today, solar energy is the most promising area for generating electricity. The only serious drawback is the inability to operate solar power plants at night. And while scientists from all over the ...

an electrical engineer specialising in solar systems explains that the mirrors on top of solar ovens receive the sun's rays and reflect them on the dish being prepared. They act as solar reflectors.