This is What Inspired the Mechanism of Ink Pens
Muna wa Wanjiru asked: The name “pen” is derived from the Latin word “penna”, which means feather. This is a writing instrument that, manually through capillary action applies ink to a surface, usually paper. Pens can be used with inks of many colors but commonly make use of inks in shades varying between black, blue,… Read More »