An curved arrow pointing right. Watch full episodes of the Science Channel series "How It's Made" on the Science GO app or at: http://insder.co/HowItsMade More from ...

It marks the origin of the pen knife. Before 1850, the process for vulcanization of rubber had not been discovered, and the only way to correct a writing mistake was to scratch the ink off the ...

It’s probably hard to imagine writing with a feather and a bottle of ink, but that’s what writing was limited to for hundreds of years. When fountain pens first came along, they were ...

In a popular episode of “Seinfeld,” appropriately entitled “The Pen,” Jerry and Elaine travel to Florida to see his parents.

As long as you have ink and a substrate ... I’ve even got this pen I made that looks like a little prison shiv made out of a piece of Sprite can that’s taped to a never-sharpened pencil.