In this video, watch as I transform a simple copper coin into a miniature copper plane using basic metalworking techniques.

Abstract: This paper suggests a copper-core-embedded PCB for power modules thermal management. Four kinds of heat dissipation micro-channel structures have been designed through the copper core, ...

Wire coin bracelet - handcrafted copper jewelry I know wire wrap in late 2011. before starting do guidance at the end of 2016, I had 5 years make to sell. I rarely watch the tutorial of others, I ...