The Think Ink Pen is designed for people who fidget. It flexes with spring-like resistance, has a magnetic ball for sliding, and a spinner for your thumb to roll around. Think Ink was fully funded ...

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 has been approximately 48 hours since President Donald Trump assumed office and he's been on signing spree, rolling out executive orders ... black ink. In one photo, he holds up a document ...