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Log in to add favorite March 25, 2009 10:31 AM

A headline today from New Scientist asks what the sun will look like as a planetary nebula when it begins to die--in about 5 billion years. Questions that involve billions of years from now can be mind-boggling, but considering what happens in…

Log in to add favorite March 24, 2009 10:16 AM

I don't know what was being talked about, but as I cleaned up in the kitchen, I heard a conversation with an 8-year old that resulted in questions about water and electricity and whether or not water can conduct electricity. I think the question had…

Log in to add favorite March 16, 2009 4:03 PM

If you're ready to tackle something related to energy, power, and the environment but want to push the envelope a bit farther than the cool (but maybe not quite cutting-edge-enough-for-you and just a bit ubiquitous) Veggie-Powered Batteries, pull on…

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Free science fair projects.