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Writer's Block: Double vision

If there was a parallel universe, in what ways would you want your double to differ from you?
Not autistic. And married to Enya.

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( 7 pigeons used the Internet — You're quite honest, aren't you? )
(Deleted comment)
matt1993
Mar. 20th, 2011 03:44 am (UTC)
Sort of. There'll probably never be a way to prove whether or not parallel universes exist, but it's fun to think about what a parallel universe, if there is one, might be like.

Over time, I've formulated a theory that the universe(s) has/have somewhere between five and eight dimensions, and one of the possible dimensions is alternate universes. The complete list is as follows:

- time
- height
- width
- depth
- a dimension that the universe(s) sometimes end(s) up partially folded across to create wormholes
- heaven & hell (As in, heaven is in one hidden direction from our universe and hell is in the opposite direction; I'm not certain that that's how it is, but I think it's quite likely)
- dream worlds (Similar to the heaven/hell dimension, good dreams are in one direction and bad dreams are in the other, though in heaven good dreams would be on both sides and in hell bad dreams would be on both. I think this dimension is somewhat less likely to exist than heaven and hell as a dimension, but still likely.)
- alternate universes (i.e. if you somehow took a step along this dimension you might end up in a universe where I'm married to Enya, then if you took another step you might end up in a universe where I'm related to Enya, etc.)
(Deleted comment)
matt1993
Mar. 21st, 2011 02:13 am (UTC)
Me too.

Another thing I contemplate sometimes: if space and time are equivalent, does that mean that the size of the universe is the same as the amount of time that it will last?

In other words, since the whole universe is at least 78 billion light years in diameter, which converts to about 4.6×10⁶¹ Planck lengths, then maybe the universe will only last 4.6×10⁶¹ Planck times or about 2.683730211×10⁹⁷ years.
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matt1993
Mar. 21st, 2011 03:14 am (UTC)
:)
(Deleted comment)
matt1993
Mar. 28th, 2011 12:41 am (UTC)
A Planck length is what is thought to be the smallest possible unit of length, defined as 1.616252×10−35 meters. The 10-35 means you move the decimal point to the left 35 places and put zeroes in all the blank spaces between it and the number, so a Planck length equals .00000000000000000000000000000000001616252 meters. (Simpler example: 1.5×10-2 = .015)

The minimum diameter of the universe is 78 billion light years (a light year is the distance light travels in a year). A light year is 1016 meters = 1×1016 meters = 10,000,000,000,000,000 meters.

So to convert the minimum diameter of the universe to Planck lengths:

78,000,000,000 light years × 10,000,000,000,000,000 meters/light year ÷ .00000000000000000000000000000000001616252 meters/Planck length ≈ (≈ means approximately equal to) 4.6×10⁶¹ Planck lengths.

The theory I came up with is based on the assumption that the universe will last as many Planck times as its diameter has Planck lengths. (A Planck time is the time it takes light to travel one Planck length, so it's similarly thought to be the smallest possible unit of light)

4.6×10⁶¹ Planck times × 5.39124×10-44 seconds/Planck time ÷ 86,400 seconds/day ÷ 365.2425 days/year ≈ 78,587,133,510 years. (I had miscalculated when I said 2.683730211×10⁹⁷ years; a year should not be less than a Planck time!)

Let me know if there's something you still don't understand :)
(Deleted comment)
matt1993
Apr. 5th, 2011 01:58 am (UTC)
:) Thanks!
pathvain_aelien
Mar. 22nd, 2011 02:40 am (UTC)
I could have figured that. :)
matt1993
Mar. 22nd, 2011 02:59 am (UTC)
Yup. :)
( 7 pigeons used the Internet — You're quite honest, aren't you? )

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