By now you've heard of wind and solar as potential sources of clean energy, but how about looking beneath the surface? Earth's fiery core reaches temperatures of up to 9,000° F, and much of that heat could be harnessed for fuel.
According to a 2007 geothermal study conducted by the Energy Department, the New York Times reports, geothermal power may "produce as much as 60,000 times the nation's annual energy usage."
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Robotic chefs are taking the world by storm. Japan's Motoman SDA10 has spatula arms that can handle savory pancakes. The Famen restaurant in Nagoya, Japan, serves ramen, a soup, prepared by two giant robot arms.
Watch as the adorable Chief Cook Robot learns
to make a ham & cheese omelette - yum!
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