> > > ZERO GRAVITY > > > > > > When NASA first started sending up astronauts, 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. > > > > > > Enjoy paying your taxes--they're due again. > > >