they use it for to spend less money
There are many different kinds of materials the solar ovens are made of, but you can use a pizza box and tin foil, or glass and a card board box.etc.
Solar ovens do not have any effect on the environment! Which makes it a great thing.
Actually, people have been using solar energy for thousands of years. Many desert nomads use ovens that are powered by the sun. Only recently has new technology come about that makes it more efficient.
The heat facouses all the rays back into the light this is how solar ovens focus the sun rays
Africa
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.
There are many different kinds of materials the solar ovens are made of, but you can use a pizza box and tin foil, or glass and a card board box.etc.
The use of parchment paper would help prevent burning of marshmallow in an oven in general. This applies to solar ovens and stove ovens.
Solar ovens do not have any effect on the environment! Which makes it a great thing.
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.
Actually, people have been using solar energy for thousands of years. Many desert nomads use ovens that are powered by the sun. Only recently has new technology come about that makes it more efficient.
The heat facouses all the rays back into the light this is how solar ovens focus the sun rays
Researching the way people use microwave ovens to determine how to improve their design
anything
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.
Yes, the olden people did use special Dutch Ovens to cook pies in the 1800's. I hope this helps!