The basic theory of turning lead into gold requires a third party introduced into the equation. I can't tell you much more than that. I can make anything look like gold, but creating 24 kt gold is something else entirely.

Don't talk too loud about those bombs too close to the ears of our military. They already have alchemists on the payroll as human weapons, they don't need to get someone to split the atom on the battlefield.

A world with no gravity wouldn't exist. At least, according to some things we've read here.

You and every alchemist in the history of our world has asked that question. Who knows when we'll find the answer?