When the weight of the paper equals the weight of the airplane, only then you can go flying.
airplane equal fly
Donald Wills Douglas
These are some quotes by American author Donald Wills Douglas Aviator, who lived between April 6, 1892 and February 1, 1981.
Quotes by Donald Wills Douglas
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Computers and computing are all around us. Some computing is highly visible, like your laptop. But this is only part of a computing iceberg. A lot more lies hidden below the surface. We don't see and usually don't think about the computers inside appliances, cars, airplanes, cameras, smartphones, GPS navigators and games.