At the speed of light, time stops for you and should reverse if you travel any faster). ... At the velocity of light, if you were somehow to reach it, your mass will be infinite and it will so require infinite force to push you, so no going beyond that speed. This is the reason time flows in a single direction.
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Vermaaryan15
And furthermore, why does it never move backward? The answer: it's all about entropy. Though in microscopic physics, time is treated as directionally neutral--it doesn't matter which direction it's going--the Second Law of Thermodynamics explains why time moves forward only in our visible world. This law states that any substance will move from a low entropy state to a high entropy state (from order to chaos) over time.
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At the speed of light, time stops for you and should reverse if you travel any faster). ... At the velocity of light, if you were somehow to reach it, your mass will be infinite and it will so require infinite force to push you, so no going beyond that speed. This is the reason time flows in a single direction.