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Astronomers took pictures of a far-off lumpy galaxy just forming 13 billion years ago, putting it among the earliest and most distant cosmic objects ever photographed. ...more
February 13, 2008
NASCAR race cars, like airplanes, are designed to move forward through the air. The bodies are sleek for low drag, yet they are equipped with a splitter and a wing (or spoiler), that 'grab' the moving air to create downward force on the wheels. But when a race car gets turned sideways or backward during a wreck, the air and other gravitational forces can cause it to go airborne, flip or raise up on its nose. ...more
October 11, 2007
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