In the video after the break [Tristan] speaks briefly about his project, then demonstrates the transmission of power and digital audio simultaneously through a two-inch thick steel plate.

A dispute has escalated between shipbuilders and steelmakers in Korea over the importation of steel plates from China, amid stalled talks over the price of the key material for ships. Thick steel ...

The parts would have been perfect for fabrication in a press brake except for the 4 mm thickness of the plate steel, which was a little much for his smallish brake. To make the bending a little ...