Opinion: ‘Mad scientists’ failed flight

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    Last week, the Defense Advanced Research Projects Agency, or DARPA, attempted the impossible. It launched an unmanned aircraft from a rocket at 20 times the speed of sound with the goal of controlling its flight through the atmosphere for about 20 minutes — long enough to glide from the California coast to the Kwajalein atoll in the Pacific.

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    Opinion: ‘Mad scientists’ failed flight

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