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Zero Gravity
When NASA first started sending up astronauts, they quickly
discovered
that ball-point pens would not
work in zero gravity. To combat this problem, NASA scientists
spent a
decade and $12 billion developing
a pen that writes in zero gravity, upside down, on almost any
surface
including glass and at temperatures
ranging from below freezing to over 300 C.
The Russians used a pencil.
Enjoy paying your taxes.
Звиняйте, что по басурмански