Quote:
Originally Posted by Jabo
Oh, don't mind me then d00de.  Just keep shoving chunks of copper into your mill if that tickles your fancy  Without theory and basic mental constructs building ability human race would still be in stone age 
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Actually I think you'll find we progressed well past the stone age without much in the way of theory. Iron for instance was discovered by luck rather than any theory that red rocks might produce a useful metallic element when heated.