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’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 ...

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 ...

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.