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 scientist spent a decade and $12 billion developing a pen that writes in zero gravity, upside down, on almost any surface including glass and temperatures ranging from below freezing to over 300 degrees Centigrade.

The Russians used a pencil.

Enjoy paying your taxes–they’re due again.