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Airbus unveils “blended wing body” plane design after secret flight tests (photos)
The concept of a "blended wing body" design has been around since the 1940s and led to the US B-2 bomber
Tesla CEO Elon Musk warns car buyers that “gas cars” residual values will plummet in coming years
Last year, Musk claimed that Tesla vehicles are now “appreciating assets” due to their self-driving capability