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Essay Abstract
What is time? Such obvious everyday phenomenon should not be difficult to define. At least as far as physics is concerned. It is fun to philosophize and it is fun to complicate things unnecessarily, but when an essay is started four hours before is it due, it tends to be concise out of necessity. And so, time is change; the passage of time is an illusion brought about by changes in energy states and the duration of time is measurable only relative to another process.
Author Bio
Mar Vas lives in the States