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The latest addition to SEED‘s excellent Cribsheet series: Light. On one page, everything you wanted to know or remember about the electromagnetic spectrum, wave-particle duality, how light interacts with matter, how we use light to study the size, age, and composition of the universe, how light can help provide clean energy, faster computers, and efficient space travel. Check out other Cribsheets on everything from hybrid cars to nuclear power to extinction to genetics, to name a few.
Julia Whitty is Mother Jones’ environmental correspondent and 2008 winner of the John Burroughs Medal Award. You can read from her new book, The Fragile Edge, and other writings, here.
