Caption Junyi Zhao in the McKelvey School of Engineering demonstrates using a simple ballpoint pen to write custom LEDs on paper (left). The same pens can be used to draw multicolored designs on ...

Ewan Cunningham of Primal Space used detailed animation to explain the history and the ingenious vascular design behind the iconic BIC Cristal ballpoint ... The pen was so perfectly simple and ...

Discover how to remove highlighter stains, perform a fire ink trick, and create fun pen ballpoint experiments. These simple, creative techniques will not only impress but also inspire you to ...

Look around you. Chances are, there’s a BiC Cristal ballpoint pen among your odds and ends. Since 1950, it has far outsold the Rubik’s Cube and even the iPhone, and yet, it’s one of the most ...

[u407]’s 3D printed Signspinner was created as a clean/dirty indicator for a dishwasher, and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen. Every click of ...