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What is time?

Could you say that past and future exist?

Is time a subjective illusion based on passing phenomena?

Is it an essential element of space, the fourth dimension without which nothing can exist or happen?

Is it just a convention of speech, like speaking of the equator or longitude as a convenience of positioning and measurement?

Lacking a category for philosophy, I put this in travel for those who love Dr Who.

Posted - August 15, 2016

Responses


  • It is a natural force which keeps every thing from happening at once.

      August 15, 2016 10:10 PM MDT
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  • 1002

    It is whatever you make it...

      August 15, 2016 10:21 PM MDT
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  • LOL ! :D

      August 15, 2016 10:27 PM MDT
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  • A broad approach.

    Perhaps an unconscious reality for us all. :)

      August 15, 2016 10:28 PM MDT
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  • 44617

    Answer thief.

      August 16, 2016 1:11 AM MDT
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  • 2758

    'Time' is the word which linearly dependent beings assign to the concept of a perceivable 'interval' between places or events.  It normally exists in the context of planetary rotation/revolution or the movement of other heavenly bodies.

      August 16, 2016 1:51 AM MDT
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  • 63
    Past, present, future, it's all the same to me. Think about it this way. Yesterday, today was tomorrow, and tomorrow today will be yesterday. Know what I mean?
      August 16, 2016 7:38 AM MDT
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  • Your answer contradicts itself.

      August 16, 2016 7:43 AM MDT
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  • 13395
    The past and future exists in the dimension of infinite time.

    Time is static; everything revolves around time in a relative way

    Elapsing time however was invented by labor unions so they could fight for a decent hourly wage for the workers.
      August 16, 2016 8:05 AM MDT
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  • Yes, I know what you mean. At some phases of life when not much is changing from day to day, time flows like a river, and one bit of water seems indistinguishable from another.

      August 16, 2016 2:24 PM MDT
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  • 44617

    Better question...What time is it?

      August 16, 2016 2:30 PM MDT
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  • On the the first statement, yes, that's my intuitive feeling about it too.

    But according to scientists, time began with the Big Bang and cannot exist independently of space: it requires the existence of matter in order to be a phenomenon of change. The Big Bang event is not a theory anymore due to the amount of evidence. But the future is still theoretical. In one model, the universe will eventually reach a limit to it's possible expansion, and begin to contract until it implodes and disappears in a reverse of the bang at which point, time, space, and matter all cease to exist. In another model the universe may continue to expand endlessly, and so existence and time continue, but with entropy and dissipation of form and matter as we now know it.

    Your second statement I don't understand and would love to hear more about it from you.

    Last statement - lol ! - much enjoyed.

    I'm sure we made use of elapsing times long before unions, but your point is an excellent one because it shows how they helped make time such a huge and pressured but necessary factor in all our working lives.

    :)

      August 16, 2016 2:36 PM MDT
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  • Does anybody really care? 

      August 16, 2016 2:38 PM MDT
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  • 13395
    I'm stuck on how time can have a beginning since a beginning is an element of time so time would already have to exist in order to enable a beginning to occur and thusly time cannot end. So time does not end but is 'compressed' in a black hole into a state of superposition.

    I don't think time actually moves or elapses but change gives the impression of the passage of time. (In a relative way).
      August 16, 2016 3:11 PM MDT
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  • That "'compressed' in a black hole into a state of superposition," makes a lot of sense. I'll read up on it a bit more. Thank you.

    I also like "moves or elapses but change gives the impression of the passage of time. (In a relative way)."

    I'll check that out too.

    I've heard that physicists have 22 theories of time, but haven't yet looked them up. Looks like it's time for me to do so. :)

      August 17, 2016 2:41 AM MDT
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  • So, we avoid the sticky questions and take the practical approach. Thank you.

      August 17, 2016 2:44 AM MDT
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  • About the title question, scientists and philosophers write whole books about it, and students read them, so yes, a few people do care.

    About Element99's question, most Westerner's live their whole lives by what time it is. Most of us care enough to always have a means of telling the time close to hand.

      August 17, 2016 2:49 AM MDT
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  •   August 17, 2016 4:04 AM MDT
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