All it took was a mask, and a little treatment with a modified Tesla coil. Plastics tend to be hydrophobic, meaning their surface repels water. These plastics also tend to be non-receptive to ...

[Niklas Fauth] had bought along a Tesla coil, but it was no ordinary Tesla coil. Instead of the usual tall coil and doughnut-shaped capacity hat it took the form of a stack of PCBs with spacers ...