Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Mar 8, 2009
Discover how the Fisher Space Pens (also known as the Zero Gravity Pen) are manufactured. They are pens that uses pressurised ink cartridges and are claimed to write in zero gravity, upside down, underwater, over wet and greasy paper, at any angle, and in extreme temperature ranges.