This is quite possibly the most over-engineered pen I've ever come across, and it looks like it's straight out of a spycraft lab. The Hancept Zero Mk2 is a 2-mm-thick contraption that can slip into a ...

Crafted from silver composite and machine-milled with scientific precision, this pen doesn’t just leave ink-free marks on paper, wood, plastic, and metal ... if you buy a product or service ...