In the physical world, a number of difference forces are at play, and each in turn displays supremacy, or at least relevance, at subatomic, atomic, molecular, and wider levels. The weak force allows quarks to change form, and enables, among other things, nuclear fusion inside the sun; the strong force binds the nuclei inside atoms together, and the electromagnetic force glues atoms and molecules ...
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MarketWatch: The Persistence of Unix (ComputerWire)