What pens do astronauts use?
What pens do astronauts use? The Space Pen was invented by Paul Fisher, head of Fisher Pen Company. Unlike a typical pen, the Fisher Space Pen uses compressed nitrogen to force ink out of the nozzle, instead of using gravity to make it flow. This made it the ideal device for writing in space, while upside down, or submerged underwater. Are space pens worth it? Like I said, Fisher Space Pens are an easy recommendation if you're looking for a relatively inexpensive, write-anywhere option. Personally, I use the Astronaut pen more than the Bullets on a day-to-day basis, but the...