Sister projects Crosswords Games More ... | 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. 3 Comments · Single View What does Michael Jackson have in common with the NASA? It's been 25 years since his first moonwalk. 5 Comments · Single View |