The discussions of how to create sunlight or create an atomic blast have missed an important point about the mage paradigm. True sunlight is not the correct mixture of electromagnetic energy.
Sunlight contains the essence of life, and thus is anathema to kindred.
The same thing is true about plutonium. The technomancers, especially the renegade alchemists who created the science of chemistry, introduced many new elements. Many of these may have been created by the collective belief in them, thus making them usable. Then he spread the word. Another wanted a corrosive gas, and created fluorine using Matter 3, Entropy 3 and prime 2.