Metallurgy is fascinating! This reminds me of the semi-secret one crystal cooling process for airplane turbine segments. The entire thing comes out as one cryst

Metallurgy is fascinating! This reminds me of the semi-secret one crystal cooling process for airplane turbine segments. The entire thing comes out as one crystal and you need very precise temperature control not just as a whole or in various spots but in various gradients of the oven to get the thing come out properly. It would take anyone forever to replicate this from scratch, even though I can easily explain what the expected end result should look like.