evsgjamm said: PG98467 said:
Holy moly... time for me to geek out. Ok, so your image from 2013.... looks STRIKINGLY similar to a natural phenomenon that only occurs in meteorites. After an iron meteorite is cut with a diamond blade, and acid is brushed over it, the crystal structure of the iron and nickel shows up clear as day, and the person who discovered this was Widmanstatten. Hence the naming of the Widmanstatten pattern like this:A video of another etching process for you curious minds: That's all I have to contribute to this art lesson. One big geek-out session.