Zenalgorithm: You apparently don't understand the difference between atoms and their components (quarks such as protons, neutrons, and electrons). Nanotechnology can build structures from individual atoms, but it cannot change an atom of one element into an atom of another element.
Nuclear fission and fusion can do that... but you don't want to mess with those.
Gold and Oil Price Limits [View article]
Nuclear fission and fusion can do that... but you don't want to mess with those.