Write in the Zero Gravity
The U.S. National Aeronautics and Space Administration decided that they need a ball point pen to write in the zero gravity during the heat of the space race in the 1960's. After massive research and development, the Astronaut Pen was developed at a cost of $1,5 million.
The pen worked as it was desired. Also, it had modest success as a novelty item here on Earth.
The Soviet Union faced with the same problem. They wanted to write in the zero gravity, too. But they used a pencil.
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