32 - Is Time a Direction?

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Uploaded by on Jul 14, 2009

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Science & Technology

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Standard YouTube License

  • likes, 2 dislikes

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  • Hi Rob!

    Great work with all of your videos!

    This one, though, I'm not sure I am following.

    If time is thought of as the "directions" of PAST and FUTURE, how is it just one direction, and not a whole dimension? I fail to see the room for interpretation...

    Does it have to do with the arrow of time? That we can apparently only move forward in time?

    If so, aren't we still moving forward along what is essentially a line? Which is 1-dimensional?

    What am I missing here?

  • Thanks, AdamLore. The difference between "time" and a full dimension is like the difference between "forward" and a full dimension. You have to consider the opposite direction to be thinking about a full spatial dimension. The opposite direction to "time" is "anti-time" just as forward/backward, east/west, ana/kata are all ways of thinking about how two opposing directions give you a way of thinking about a full spatial dimension.

    watch?v=UfhOBevrN2U

    Thanks for writing,

    Rob

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  • The theoretical discussions are interesting. Your songs are horrible. But I have to say, the guy you got to sing this song can sing pretty good at least .

  • Can it be safe to assume the concept of the plank length (or something similar) be applied to all spatial dimension? If yes, then my real question. The 4thD, a line, along which are points, these points being 3D but experienced as time. Could it be argued that we are not really moving forward through "time" but really every moment is just a still 3D world were our brain has recorded versions of a parallel 3D world that we would consider the past?

  • Interesting ,I follow all your videos ^o^

  • (...continued)

    Also, ff duration is the fourth spatial dimension, is it the same, then, as "ana/kata" or do these become the fifth dimensional directions?

  • Thanks for your speedy reply!

    I think I may grasp the concept at this point, but please let me know if I am still off track:

    "Time" as you are using it here basically means the forward-like direction we are moving through time (almost like "future-ward"), while "anti-time" would be if we could start from the present and move in a backward-like direction through time (or "pastward"), And the whole dimension you call "duration"..correct?

  • Black just means it absorbs red, green, and blue light, the only colours we're sensitive to.

    Garbage bags an coke look black and opaque to us, but are clear when viewed with an infrared camera.

    To a life form that evolved under different lighting conditions, coal might appear similar to frosted glass, and our glass windows might be completely opaque and useless to a life form that can only see ultraviolet light.

  • No limits.

  • lol shows how immature u r, resorting to name calling instead of having a proper convo like a decent person would. Anyway I was just referring to the CONCEPT, the COLOR is changed because of the ARRANGEMENT of the atoms! NO OTHER PROPERTY is changed. That is how evolution works, honestly READ up on it first. nucleotides and amino acids are the SAME in every living creature, its just the way they r ARRANGED differently that offers the diversity. And the CHanges made in those is evolution

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