Perhaps you learned a mnemonic device such as the one above to help remember the planets -- Mercury, Venus, Earth, etc. -- and their order away from the sun. Turns out, we're going to need a longer mnemonic after the…

Continue watching

Green technology can take many forms, be it in eco-friendly light bulbs, hybrid cars, or wind turbines. It can even take the form of homework, as in the case of students competing in the Department of Energy's "Solar Decathlon."…

Continue reading