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.
Ovens are available in Israel and most people do have them.
people start using computer when the first computer were published at 19.. or 18.. or 20..
technology might be useful in using electronic scales, ovens, microwave ovens etc
Researching the way people use microwave ovens to determine how to improve their design
if your using a magnifying glass, yes!
stoves and ovens
to tell people what state there in
For seasoning.
when they were invented
no. putting live people in the ovens was a form of torture. it was a horrible death, I am sure.
I like them