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 ...

The L’Oréal-owned brand reveals how its 32-year-old pen became, and has remained, a category-defining make-up item in ...

[Emily] set about gutting several highlighter pens and squeezed out the ink reservoirs into a ladle. The printer’s ink cartridge was then filled with the fluid, and a test print was fired off.

I have bad eyesight and thus keep my display scaled to 125% and this application, Pen Attention doesn’t really work well with that. The highlighter just detaches from the cursor if your display ...