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No number can claim more fame than pi. But why, exactly? Defined as the ratio of the circumference of a circle to its diameter, pi, or... -
China completes world’s largest radio telescope – raising hopes of finding new worlds and alien lifeB oasting half a kilometre in diameter, it is the largest telescope dish in the world to date. The 500-metre Aperture Spherical Radio Te... -
Early last month, on a hill outside a tiny, windy village of almond and tobacco farmers in northeastern Greece, veteran archaeologist... -
Five privately funded teams have secured verified launch contracts to blast their robotic spacecraft toward the moon, keeping them eligi...
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