, and not much else. But if you replace that metallic ink with real silver, you get something quite remarkable: a pen that can draw functioning circuits on paper. Engineers at the University of ...

Professors Jennifer Lewis and Jennifer Bernhard at the University of Illinois have come up with a way to draw circuits with a pen. Not circuit diagrams. Any old pen can do that. No, the pen is a ...

This week we have featured a number of new inventions in the form of the Liquid Metal Inkjet Printer Ink and the Ex1 PCB 3D Circuit Board Printer that have been designed to print liquid metal on to ...