"During the Cold War, the National Security Agency wasn’t just intercepting Soviet cables and surveilling American activists. It was also creating office art. "
They're all here. The In-house design… (View Post)
Concrete might be a bit low res for mould making.
Metals with low melting temperatures for casting would be alloys, generally containing bismuth but often including lead and/or cadmium. They're gen… (View Post)