Top

NASA

When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300 C. The Russians used a pencil.
syneyed
Uploaded 06/17/2010
4
Ratings
  • 1,507 Views
  • 5 Comments
  • 0 Favorites
  • Flag
  • Stumble
  • Pin It

5 Comments