NASA has developed a new experimental aircraft called the X-70 Fractal to explore new flight capabilities, but details about its design and operation are still under wraps.
מקור: WIRED — לכתבה המלאה

NASA has developed a new experimental aircraft called the X-70 Fractal to explore new flight capabilities, but details about its design and operation are still under wraps.
מקור: WIRED — לכתבה המלאה
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