When NASA started sending astronauts into space, 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. Your taxes are due again soon -- enjoy paying them.
Posted on: Mon, 31 Mar 2014 15:12:32 +0000
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