Speed of Sound
Apr 30 2009, Bharat

Rockets have fire blazing in their rear to send them in speeds that defy the speed of sound, but seeing airplanes beat that speed or even near it somehow, would appear a thought too foolish. But the US military as always has other ideas to amaze us....

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Anupam, Shimla
For the first time scientists have experimentally demonstrated that sound waves can exceed the speed of light. Not only sound but some previous experiments have also...
made popular Jan 18 2007