You probably have no idea where the ink in your pen comes from, much less whether it’s a simple factory process or demanding of more expertise. Josh Velson, a chemical engineering consultant for bio ...
A PROBUS club in Basingstoke enjoyed a talk about the history of pens.
Some of the best inventions actually started out as accidents, and such is the case with the world’s first “Chia Pet” pen. Its creators were trying to create an eco-friendly alternative to printer ink ...