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0:57
Ever wondered why time only moves forward and never backward? Physics suggests the answer lies in a concept called entropy. Entropy describes how many possible microscopic arrangements a system can have. Over time, systems naturally move from more ordered states to more probable, disordered ones. That’s why broken glasses don’t spontaneously reassemble… why heat flows from hot objects to cold ones… and why the past feels fixed while the future feels uncertain. The arrow of time isn’t imposed by
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