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How could a man catch fire -- with no apparent source of a spark or flame -- and then burn so completely without igniting anything around him? Can a person really go up in flames for seemingly no reason at all?
Forward and back, left and right, up and down -- most of us are familiar with these spatial dimensions. We might even pinpoint our location in time. Is that all there is to dimensions? No way, say the scientists who have a theory for everything.