Quote:
Originally Posted by orlok
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.
|
Here we go again:
https://www.mobileread.com/forums/sho...84#post1241884
A pencil would be unacceptable in zero-G situations because the graphite would float free and endanger delicate electronic equipment, among other things.