What is NASA's "space pen"?
What is NASA's "space pen"?. Are You mate has this kind of query?, If do then please read the good tips below:
There is no “NASA Space Pen”. There is, however, a Fisher space pen. As I explained inPaul Fisher developed a pressurized ballpoint cartridge for writing in space, on planes, and generally more evenly and more fool-proof, on his own, and with his own money. NASA had nothing to do with it, except that it bought them from Fisher for $6 each. He also sold them to the Russians, to other space agencies around the world, and to me. I keep one in my car.
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