I have heard that landfills can be a source of energy. How does that work?
Just like manure, other types of organic waste emit [...]
Why does the flame on my stove burners look blue, but the flame of a campfire is yellow?
A natural gas flame burns hotter than a campfire. In [...]
What’s the difference between global warming and the greenhouse effect?
The greenhouse effect is created because certain gases sent into [...]
What kind of a difference does it really make to replace a regular light bulb with an energy-saving one?
Replacing your five most frequently used light fixtures or the [...]
Who discovered natural gas?
The ancient Chinese were the first to discover underground deposits [...]
Do electric eels really create electricity?
Yes! An electric eel uses chemicals in its body to [...]
I once saw a pair of shoes hanging from a power line. Why didn’t the shoes get burned up by the electricity in the line?
Shoes hanging on a power line don’t get burned [...]