Because of the intense level of heat generated by focused sunlight, solar cookers are not simply used for warming things up. Depending on the type of solar cooker you use, you can generate temperatures ranging from 180 degrees Fahrenheit (82 degrees Celsius) up tomore than 400 degrees F (204 degrees C). Not only is this more than hot enough to boil water, killing microorganisms that could make it unsafe to drink, it can also be used to fry a meal.
Is the Earth so large and complex that we can't change it?
Answered by Sylvia Earle
What is food insecurity?
Answered by Planet Green
How are gamers being enlightened to the purpose of green gaming?
Answered by Science Channel