Add the anti-matter-and-time post
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#+SETUPFILE: ../../config.org
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#+TAGS: Physics(p) Thoughts(t)
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#+CATEGORY: Life
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#+DATE: 2022-06-07
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#+TITLE: Anti-matter and time
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#+DESC: My random thoughts on Positron, time and negative energy
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#+INCLUDE: ../../thoughts.org
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*** I was thinking ... :Physics:Thoughts:
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Since [[https://en.wikipedia.org/wiki/Positron][Positron]] has a negative energy according to [[https://en.wikipedia.org/wiki/Paul_Dirac][Dirac]] and it can be interpreted as an
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[[https://en.wikipedia.org/wiki/Electron][Electron]] going back in time, what would happen to the [[https://en.wikipedia.org/wiki/Entropy][entropy]] of a system made out of
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anti-matter?
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Positron is the counterpart or the anti-particle of Electron, it has the same mass but the opposite
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electric charge and negative energy. According to [[https://en.wikipedia.org/wiki/Richard_Feynman][Feynman]] we can think of Positron as an Electron
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moving backward in time. Or we can think that Electron and Positron are the same thing, an Electron
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that is bouncing forward in time and backward again. Bouncing between an Electron and Positron
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characteristics. Anyway, according to the [[https://en.wikipedia.org/wiki/General_relativity][general relativity]], time is relative and not absolute and
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two observers of the same phenomena might have different perception of time relative to their situation
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in spacetime. But another way of thinking about time in my head is entropy. According to the
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[[https://en.wikipedia.org/wiki/Second_law_of_thermodynamics][second law of thermodynamics]] entropy of system increase overtime (to put it simply). Therefore,
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future is the time with more entropy than today or simply the movement vector of time is in the same
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direction as the entropy vector in our perception of time.
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So, If Positron is moving back in time, does it mean that Positron's relative vector of time is
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pointing the opposite direction of the entropy vector thus, entropy decreases relative to Positron's
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time ??? If there's a universe made out of anti-matter, would it be just the past relative to present of
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our matter based universe ???
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"As always these thoughts baffles me. I have to look into it."
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