We know machines are getting "smarter," witness IBM's all-conquering Watson on Jeopardy. The New York Times is now offering users the chance to come face-to-face with a simple version of machine ...
A simple machine is a tool that helps us do work. They use clever shapes to help us move, lift, cut and other types of work. Learn more about the inclined plane, the pulley, the lever, the wheel and ...
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