Ball Point Pens - 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 degrees C. The Russians used a pencil. Your taxes are due again, enjoy
Posted on: Thu, 20 Mar 2014 09:30:57 +0000
Trending Topics
Recently Viewed Topics
© 2015