NASA unveils X-70 plane capable of flying at 575mph, 45,000 feet
NASA unveils X-70 plane capable of flying at 575mph, 45,000 feetNASA has unveiled a new experimental aircraft designed to perform manoeuvres never before attempted by a piloted plane, but the space agency is keeping much of its design under wraps.
Named X-70 Fractal, the aircraft...
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