Renewable energy is energy derived from natural sources that are replenished at a higher rate than they are consumed. Sunlight and wind, for example, are such sources that are constantly being ...

“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...

These contain either a complete study or a preliminary report, but in either case must contain original and highly significant work whose interest to the Energy & Environmental Science readership and ...

The food coloring in the hot water will move around and mix more and become more green than the food coloring in the cold water. Heat is a form of energy. The heat energy from the water makes the ...