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Offlinetokinman21
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Why time travel is probably never mastered
    #14205602 - 03/29/11 07:47 PM (12 years, 9 months ago)

So, assuming the big bang was the beginning, and knowing the universe is shrinking, one can assume it will converge to a singularity again and the big bang will repeat.  If time travel was mastered, wouldn't people right before the end be constantly be time travelling to get back to the past where they're safe from the shrinking universe killing everything?  There would be time travellers everywhere, it would've been figured out by now because the parts of time where they knew about it time travel would be full.


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Offlinestranger_danger
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Re: Why time travel is probably never mastered [Re: tokinman21]
    #14205669 - 03/29/11 08:00 PM (12 years, 9 months ago)

:ugh:


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: tokinman21]
    #14205682 - 03/29/11 08:02 PM (12 years, 9 months ago)

I thought the universe was still expanding?


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Offlinelacma50
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Registered: 03/13/09
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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14205696 - 03/29/11 08:05 PM (12 years, 9 months ago)

Quote:

Shroomerette said:
I thought the universe was still expanding?




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"Any rational person changes their mind when confronted with new evidence."




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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14205734 - 03/29/11 08:12 PM (12 years, 9 months ago)

Quote:

Shroomerette said:
I thought the universe was still expanding?




It is, and it is expanding at an ever increasing rate which suggests there will not be a big crunch but rather a heat death.


Consider this... As the heat death of the universe approaches, there will be less and less usable energy available.  There will always be some small amount of temperature gradient from which usable work can be harnessed, but not necessarily enough to keep a being alive.  So what the being can do is put itself in stasis for a period while energy is slowly stored away.  Then, the being can come out of stasis - consume that energy and live for a year (for example).  The being stays in stasis for a hundred years while more energy is stored away, it then comes out of stasis and lives for a year again.  Now, it must go back into stasis for a thousand years because the temperature gradients are less and it takes longer to store up the energy for a year of life.  Being comes back out of stasis for a year, then goes back in for ten thousand years.

This has been calculated out, and it has been found that the being could live forever doing this (barring biological limitations).  Every time you go into stasis you have to go in for longer and longer (millions, billions, trillions, etc), but you can keep this up indefinitely and have enough energy to live forever.


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Invisiblecortex
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14205944 - 03/29/11 08:45 PM (12 years, 9 months ago)

I can never understand why people make such a gloomy story about the (theoretical) eternal expansion of the large scale universe.  As the distant galaxies recede, our local group will inevitably become one giant super-galaxy as gravity continues to overcome dark-energy.  We will have more stars in the sky and more potential biological and mineral resources than we could ever imagine, right?

All pretty moot, it guess anyway, since its like trillions of years from now...


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: Why time travel is probably never mastered [Re: cortex]
    #14206110 - 03/29/11 09:10 PM (12 years, 9 months ago)

Quote:

We will have more stars in the sky and more potential biological and mineral resources than we could ever imagine, right?




Im not sure about that.  Eventually usable fuel for star consumption will burn out, and we would be in a dark and isolated position.


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Offlinepsychwrite
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Re: Why time travel is probably never mastered [Re: cortex]
    #14206152 - 03/29/11 09:15 PM (12 years, 9 months ago)

what if the time travellers also have the ability to be invisible? i saw a guy talking about this on t.v. he said we would definitely have invisible cloak type technology way before we develop time traveling machines. what if there are millions of different realities all set off by many different travellers who fucked up the time line every time they went back. who really knows?


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InvisibleDieCommie

Registered: 12/11/03
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Re: Why time travel is probably never mastered [Re: psychwrite]
    #14206190 - 03/29/11 09:21 PM (12 years, 9 months ago)

What if the moon was made of cheese?  Would you eat it?


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14206223 - 03/29/11 09:26 PM (12 years, 9 months ago)

Cheese is weird :uhoh:


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InvisibleDieCommie

Registered: 12/11/03
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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14206241 - 03/29/11 09:29 PM (12 years, 9 months ago)

What if it was made of spare ribs?  Would you eat it then?



I would.


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14206249 - 03/29/11 09:30 PM (12 years, 9 months ago)

Oh yeah I definitely would!


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InvisibleDieCommie

Registered: 12/11/03
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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14206259 - 03/29/11 09:32 PM (12 years, 9 months ago)

Hey! 

Would you rather be the top scientist in your field, or have mad cow disease?


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14206340 - 03/29/11 09:45 PM (12 years, 9 months ago)

Hmmmmmm i don't know that's a toughie


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InvisibleDieCommie

Registered: 12/11/03
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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14206644 - 03/29/11 10:32 PM (12 years, 9 months ago)

Aww comon its a simple question; would you rather be the top scientist in your field or have mad cow disease?


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14206698 - 03/29/11 10:40 PM (12 years, 9 months ago)

top scientist.


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Offlineimachavel
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Re: Why time travel is probably never mastered [Re: tokinman21]
    #14206706 - 03/29/11 10:41 PM (12 years, 9 months ago)

Quote:

tokinman21 said:
So, assuming the big bang was the beginning, and knowing the universe is shrinking, one can assume it will converge to a singularity again and the big bang will repeat.  If time travel was mastered, wouldn't people right before the end be constantly be time travelling to get back to the past where they're safe from the shrinking universe killing everything?  There would be time travellers everywhere, it would've been figured out by now because the parts of time where they knew about it time travel would be full.





well yeah obviously. i mean unless they were ALL able to keep their mouth shut. or maybe there is a period in history without war, and obviously the last few centuries HAVEN'T been that sort of period :shrug:



but think of this, everyone thinks time travel would be possible in some way because they think time travels in a 'stream.' but think of this, does this stream record itself? how would you be able to follow it backwards?


i mean i guess what i'm saying defeats the purpose of calling it a 'stream'

but who is to say this stream stays the same(if it exists at all :rolleyes:)


i mean, if you went back 50 years in the stream, who's to say it wouldn't be alternate?


a stream that goes down river changes, you can't just go upstream and rewind the events. i guess if what i'm saying confuses myself then it's probably confusing everyone else, but does anyone else understand what i'm saying?


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:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

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Offlineimachavel
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Re: Why time travel is probably never mastered [Re: cortex]
    #14206730 - 03/29/11 10:45 PM (12 years, 9 months ago)

Quote:

cortex said:
I can never understand why people make such a gloomy story about the (theoretical) eternal expansion of the large scale universe.  As the distant galaxies recede, our local group will inevitably become one giant super-galaxy as gravity continues to overcome dark-energy.  We will have more stars in the sky and more potential biological and mineral resources than we could ever imagine, right?

All pretty moot, it guess anyway, since its like trillions of years from now...





i don't have anything against it, if it is true. i just don't understand the basis of it.


i mean whatever is real is real. whatever isn't isn't. but i can't for the life of me understand this 'expanding universe' crap



why if i'm wrong, i'm wrong :shrug:

but i don't believe it


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk


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InvisibleDieCommie

Registered: 12/11/03
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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14206732 - 03/29/11 10:46 PM (12 years, 9 months ago)

Quote:

Shroomerette said:
top scientist.




Good, I was afraid you would say mad cow disease.  :thumbup:


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OfflineShroomerette
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14206747 - 03/29/11 10:47 PM (12 years, 9 months ago)

I was waiting for the punchline lol


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InvisibleDieCommie

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Re: Why time travel is probably never mastered [Re: Shroomerette]
    #14206765 - 03/29/11 10:50 PM (12 years, 9 months ago)



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Invisiblecortex
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Re: Why time travel is probably never mastered [Re: DieCommie]
    #14208282 - 03/30/11 08:29 AM (12 years, 9 months ago)

Quote:

DieCommie said:
Quote:

We will have more stars in the sky and more potential biological and mineral resources than we could ever imagine, right?




Im not sure about that.  Eventually usable fuel for star consumption will burn out, and we would be in a dark and isolated position.




Oh right, well I guess so.  Stars are pretty good at recycling though so, again, it's a matter of trillions of years...


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