guitarfrk451 Posted October 12, 2008 Share Posted October 12, 2008 What exactly is time? The International System of Units (SI) defines the second as 9,192,631,770 cycles of the radiation, which corresponds to the transition between two hyperfine energy levels of the ground state of the 133Cs atom. ^taken from wikipedia^ Is there really such thing as time or is it just something we put in place of something we do not know how to answer? Link to comment Share on other sites More sharing options...
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