When NASA first started



When NASA first started sending astronauts up,
they quicky discovered that
ball pens won’t work in zero gravity.
.
To overcome this problem
NASA spent a decade
and 15 million dollars to develop a pen
that writes in
zero gravity,
upside down,
under water,
virtually in any condition on any surface
including glass
and
at temperature ranging
from below freezing to 300 degree celsius.
.
.
.
.
.
The Russians used a pencil.

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