A symbol of a studious individual hard at work, the humble neon highlighter pen is nevertheless often akin to an un-surreptitious sword; brightly coloured and clumsily wielded by many, often ...

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 ...

on the desktop screen. You can use a highlighter or pen to draw, write something on the screen, or mark areas. It can come in handy during presentations, online meetings, video conferences ...