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 at temperatures ranging from below freezing to over 300 Celsius.
The Russians used a pencil.
Your U.S. taxes are due again in seven months -- enjoy paying them.
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 at temperatures ranging from below freezing to over 300 Celsius.
The Russians used a pencil.
Your U.S. taxes are due again in seven months -- enjoy paying them.