[Ben Krasnow] Drills Really Small Holes with Electricity
See the original posting on Hackaday
Drilling holes is easy; humans have been doing it in one form or another for almost 40,000 years. Drilling really tiny holes in hard materials is more challenging, but still doable. Drilling deep, straight holes in hard materials is another thing altogether.
Luckily, these days we have electric discharge machining …read more