![A ballpoint pen. How does it work? In the tip of the pen there is a small metal sphere. One internal tube filled with a viscous ink is above the ball. - A ballpoint pen. How does it work? In the tip of the pen there is a small metal sphere. One internal tube filled with a viscous ink is above the ball. -](https://images.slideplayer.com/20/5991561/slides/slide_2.jpg)
A ballpoint pen. How does it work? In the tip of the pen there is a small metal sphere. One internal tube filled with a viscous ink is above the ball. -
How does a Ballpoint Pen work? - Faber-Castell Grip X | Today we celebrate Ballpoint Pen Day! 🖊 Did you know that 1 gram of ink paste can write up to 10
![People are only just realising how a ballpoint pen works - and claim 'life is a lie' - Mirror Online People are only just realising how a ballpoint pen works - and claim 'life is a lie' - Mirror Online](https://i2-prod.irishmirror.ie/incoming/article6352885.ece/ALTERNATES/s1200b/0_Generic-photo-of-a-crossword-puzzle.jpg)