Carclo was working on a way to customize cell phones by printing personal images on the plastic bodies, when it ran into a problem trying to print Motorola’s silver metallic logo. The metal particles ...
Building antennas is a time-honored ham radio tradition. Shortwave antennas tend to be bulky but at VHF frequencies the antenna sizes are pretty manageable. [Fjkaan’s] 2 meter quadrifilar helicoidal ...
If you want better cellphone reception it's time to go small or go home, with researchers at the University of Illinois coming up with a nanoscale printing technique that allows for the creation of so ...