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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
Russia’s Tsar Bomba nuke is so destructive that it was only tested once…
The bomb had a parachute to slow its drop, giving time to the planes to fly about 30 miles from ground zero