My job is to be controversial. That'd make me a giant hypocrite.
Gunpowder is a combination of things. I don't know what 'alchemy' is except for turning lead into gold, which is just a stupid waste of lead. I'm not sure if it's reached you guys yet or not.
China is a country on the other side of the world. About 3 or 4 thousand miles away. They invented gunpowder.