Is this possibly true? Synthetic gold and silver?
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Alchemy becomes real? Once we are able to manufacture elements, we will have no lack of anything material.
From what I have read here and elsewhere, it takes an incredible amount of energy to change one element into another, and even then the amounts made so far in labs is measured in nanograms. So ENERGY would be the key... if we had unlimited energy, there would be little that we couldn't do.
But we live in a world of limited resources and energy, and most of all, our technology.
Soviet astronomer Nikolai Kardashev proposed the "Kardashev scale" in 1964, categorizing civilizations by energy use into Type I (planetary), II (stellar), and III (galactic).
Earth is currently ranked below Type I (approx. 0.72), relying on planetary resources.
Definition of Type III: A civilization that can harness the energy of its entire host galaxy. Type II can harness the the energy of its entire sun.
Earth's Status: Humanity has not yet reached Type I status. We cannot yet harness all of the resources of our planet. Perhaps if humanity survives our warlike nature, we might reach Type I civilization in the next century or so.