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NASA JET HITS MACH 7

"NASA has made aeronautics history by launching an experimental jet that reached a record velocity of just over seven times the speed of sound," CNN reports."Fifty-seven years after test pilot Chuck Yeager broke the sound barrier, NASA on Saturday launched the unpiloted [X-43A] research jet. It is the first time a supersonic-combustion ramjet, or scramjet, which uses air for fuel, had traveled so fast."Slashdot has more here. And here's an article of mine from November on the Pentagon's supersonic efforts.

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