The Tesla coil is a high-frequency resonant transformer circuit capable of generating high-voltage, low-current electricity. This fascinating invention, attributed to Nikola Tesla, is often used for ...

But if you’re more interested in feats of steady-handed soldering, check out his recent project to add a PCI-E slot to the Atomic Pi.

The now-humble PCB was revolutionary when it came along, and the whole ecosystem that evolved around it has been a game changer in electronic design. But the PCB is just so… flat. Planar.