This is where things get interesting, and when the ballpoint pen becomes incredibly cheap and ubiquitous. In addition to thicker ink, the secret is in precision-machined steel balls, which Marcel ...

Ballpoint pens distribute fast-drying ink without the ink drying in the pen itself. It uses a thick, oil-based ink that is dispersed by a small ball in a socket at the head of the pen. The ...

Discover practical DIY methods to remove ink and pen stains from car seats, enhancing aesthetics and preserving value.

The pen uses a standard D1 ballpoint ink cartridge in conjunction with AI, computer vision and motion sensors to digitize every stroke a user writes or doodles on any type of piece of paper.

To create something like this, Oscar will take up to six weeks and go through 10 pens! It's not that they all run out of ink, but because if he used only one pen the whole time, the nib would ...