A solar oven uses mirrors or reflecting foil to focus the sun's rays onto the food, which is usually in a pot and sometimes behind glass to retain the heat. The oven can be easily positioned to point it at the sun for quicker cooking.
Solar ovens do not have any effect on the environment! Which makes it a great thing.
The heat facouses all the rays back into the light this is how solar ovens focus the sun rays
they cooked them in clay ovens
Africa
Solar ovens are able to cook anything from an egg to a whole turkey. This is due to the energy generated by concentrated light.
fire
that depends on what you mean by "better." Solar ovens can operate without any electricity or gas, but then, you cannot use a solar oven at night or on cloudy days. Electric ovens can be set at specific temperatures, which is more difficult to do with solar ovens. Electric ovens cost quite a bit of money, while a solar oven can be made with not much more than a cardboard box and aluminum foil. So it all depends on your circumstances and what you are trying to do.
I am pretty sure that most baking was done in fire brick ovens, like the Amish do now.
Some areas around that work that use solar ovens are non-profit companies to help feed the starving. You cannot use a light on solar ovens. Other areas around the work that use solar ovens are businesses that want to cut down on electricity and gas.
To drain foods that have been cooked
No foods actually cook quicker in Microwave ovens with 950 watts or more