X-Mozilla-Keys:                                                                                 

During the heat of the space race in the 1960s, the U.S. National
Aeronautics and Space Administration decided it had a requirement for a
ball point pen to write in the zero gravity of its space capsules.  After
considerable research and development, the Astronaut Pen was developed at
a cost of about US $1 million.  The pen worked, and also enjoyed some
modest success as a novelty item back here on earth.

The Soviet Union, faced with the same problem, used a pencil.

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