the pen which is used on earth is not made considering zero gravity effect if this pen is used in space the ink can flow out easily so astronaut has made a pen considering zero gravity
Yes, nothing is wrong with that.
No. He created the Ballpoint pen with his brother Gyorgy Biro
ink or pen
Input Pen
It's actually Laszlo, but anyway, they created the ballpoint pen.
pen input
To create more space on it for other files.
"It depends what you mean by dog pen. If you're looking to create a physical pen to allow your dog to play in, yes that is legal. However dog fights are not legal in the united states."
Charles Schulz used a Hunt 107 Crowquill pen to draw his iconic comic strip, Peanuts. This pen was known for its flexible nib, which allowed Schulz to create expressive lines and intricate details in his artwork.
There are many different ways to find a pen pal. One way is to ask your friends or family members who you don't see very often if they want to be your pen pal. Another way is to use websites like PenPalWorld or PenPalsNow to create an account and search for pen pals online.
the first pen was a feather and ink and they used that idea by thinking about how the ink would stay inside of the bottom of the feather and they used that and made a plastic tube inside of the plastic and used that to create a pen if that answers your question ;P
thRees many but none really work the best they can do I'd give you ideas