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Time Travel Into The Future


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#1    StarMountainKid

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Posted 09 May 2007 - 05:16 AM

According to the Special Theory of Relativity, at speeds approaching the speed of light, time dilation comes into effect.  The consequences of this are that if your space ship leaves the Earth and travels at 90% the speed of light, the clock on your ship will tick half as fast relative to my clock back on the Earth.  If your space journey takes one month according to your clock, two months will have passed for me according to my clock.  You will have traveled one month into the future at your arrival back on Earth.  A simplified example, but it will do.

Now let's say it's 2050 and some billionaire entrepreneur, some future Richard Branson, invents a propulsive system and a space ship that is able to achieve near light-speed.   He advertises Flights Into The Future, Tickets Only Ten Million Dollars.  You buy your ticket, enter the ship and it accelerates to 90+% the speed of light for say six months ship time.  Due to time dilation, during your voyage two hundred years will have elapsed on Earth.  When your ship returns it's 2250.  What an experience you will have experiencing future Earth!

The only drawback is it's a one-way voyage in time.  You can never return to the world you knew when you left.  What would be the consequences for you, and for the future society trying to accomidate your fellow time-travelers?  Would you have the courage to make this journey into an unknown future?


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#2    JeremyGTS

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Posted 09 May 2007 - 01:52 PM

sounds cool an all but  like ya said the only draw back is when m 200 years in the future you wont have nothin... and everything would be different

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#3    JJO

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Posted 09 May 2007 - 03:39 PM

First off, 100% impossible in my opinion. Second, I donít got 10 million dollars to spare, sorry.
Lol, but if this were to occur, it would be pretty cool to travel in time. It would probably be a bit confusing at first, a little frightening. You would see your relatives who may have passed away, etc. Pretty interesting to think about. But clearly, our technology at the moment is impossible for time travel.

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#4    louie

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Posted 09 May 2007 - 03:43 PM

So what about if youre on your 200 year journey and they finally get around to blowing up the earth, where are you gonna come back too.

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#5    StarMountainKid

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Posted 09 May 2007 - 04:22 PM

JJO, why do you think it's 100% impossible?  I think the technology will be available by 2050 if not sooner, according to present NASA projects developing new propulsive systems for spacecraft.

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#6    Lorelei

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Posted 10 May 2007 - 11:20 AM

I personally would not like to time travel. I have all my family and friends here which I love. My life may not be perfect but, I have more than some people do and I am definitely content with that.
I would not want to come back 200 years in the future or however long, to find that everything has changed and all my loved ones are gone. That would be mind blowing and more than likely too much to bare for the normal person. I'm thinking that it would take a mentally and emotionally strong person to be able to do something like this. A normal person would crumble and suffer a mental break down...a shock.
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#7    Emma_Acid

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Posted 10 May 2007 - 01:49 PM

Quote

According to the Special Theory of Relativity, at speeds approaching the speed of light, time dilation comes into effect.


Quote

First off, 100% impossible in my opinion.


Sorry, JJO, but he's right, although a little of the target in terms of the numbers. Basically Einstein stated that as an object moves in relation to another one (ie a car going at 100mph and one going at 2mph), time slows down for the faster one, compared to the slow one, althought their own perception of time is no different. This has been successfully measured, to a small degree, with atomic clocks during space travel.

So, a ship does not need to go near the speed of light to slow time down. I'm not going to go into the details, you can look them up online, but it does work.


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#8    ilscuro

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Posted 10 May 2007 - 02:01 PM

I agree with Lorelei, my family lives here and now, i can't imagine travelling 200 years into the future, when they would all be dead sad.gif

Nice idea though



#9    Emma_Acid

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Posted 10 May 2007 - 02:37 PM

Quote

my family lives here and now, i can't imagine travelling 200 years into the future, when they would all be dead


You've obviously never met my family.


(edited for rubissh speelling)

Edited by Emma_Acid_88, 10 May 2007 - 02:37 PM.

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#10    Sun Raven

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Posted 15 May 2007 - 08:33 AM

Time travell would be a very dangerous thing, it shoudn't be done coz it could alter the universe, our universe.

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#11    StarMountainKid

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Posted 15 May 2007 - 03:10 PM

While I agree that time travel into the past is porblematic, time travel into the future would only only be troublesome depending on the personality of the traveler.  

Time travel into the past seems to be not allowed by the physics of our universe.  If it were possible somehow, and a traveler went back and changed history, perhaps he would create a new timeline for the universe and his changes would not affect the timeline our universe.  In effect, his presence in our past would create a new universe timewise, evolving anew from the moment he changes history.

Or, maybe he would not be able to change anything, no matter how hard he tried.

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#12    glorybebe

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Posted 15 May 2007 - 03:46 PM

Quote

While I agree that time travel into the past is porblematic, time travel into the future would only only be troublesome depending on the personality of the traveler.  

Time travel into the past seems to be not allowed by the physics of our universe.  If it were possible somehow, and a traveler went back and changed history, perhaps he would create a new timeline for the universe and his changes would not affect the timeline our universe.  In effect, his presence in our past would create a new universe timewise, evolving anew from the moment he changes history.

Or, maybe he would not be able to change anything, no matter how hard he tried.


Have you read 'Lightning' by Dean Koontz?  It deals with changing history.

Quite interesting, either way.

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#13    Sun Raven

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Posted 15 May 2007 - 08:36 PM

Quote

While I agree that time travel into the past is porblematic, time travel into the future would only only be troublesome depending on the personality of the traveler.  

Time travel into the past seems to be not allowed by the physics of our universe.  If it were possible somehow, and a traveler went back and changed history, perhaps he would create a new timeline for the universe and his changes would not affect the timeline our universe.  In effect, his presence in our past would create a new universe timewise, evolving anew from the moment he changes history.

Or, maybe he would not be able to change anything, no matter how hard he tried.


Yeah but you woudnt be able to return the to ther universe you came from...


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#14    R3LOAD

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Posted 16 May 2007 - 05:53 AM

well since time doesnt exist i think it would just SEEM as if the difference existed but in reality when you returned to earth only "6 months" would have gone by since time is a measurment made by mankind.


#15    StarMountainKid

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Posted 17 May 2007 - 05:08 PM

I haven't read the Dean Koontz book but I'll look for it, and yes, you wouldn't be able to return to the universe you came from   As far as time not existing, I think there is ample evidence in physics that it does.  For instance, there is what's called the arrow of time  Time for us always flows into the future, never into the past.  This is the psychological arrow of time.  

The thermodynamic arrow of time is related to the Second Law of Thermodynamics, which states that on average entropy always increases with time.  An example is rust.  Metal rusts as time elapses, but the rusted metal never un-rusts and returns to a shiny new car.  A glass falls off the table breaks into many pieces, but the pieces never come together and jump back onto the table.  If there were no such thing as time, these processes would be reversable.

In the theories of relativity space and time cannot be seperated.  For instance, if you are in a certain place, you must also be there at a certain time, and conversely, when you look at your watch and it tells you a specific time, you must also be in some location in space.  If space is considered a real aspect of the universe, time must also be considered just as real.  

As for time dilation, it has been proven to be true in many experiments.  The muon is an unstable elementary particle with specific a half-live of 2.2 millionths of a second  They are created in the upper atmosphere by cosmic rays.  As they travel at very high velocities toward the earth, due to their short lifetime they would be expected to travel only a short distance before they decay (about 1/2km).  However, due to the time dilation effect, they are observed to travel to the earth's surface before they decay.  Due to time dilation, time for the muon has slowed enough for it to travel a greater distance before it decays.  This is an example of proof for the slowing down of the rate of time for moving objects relative to a stationary observer.

A Chronon is the supposed quantum particle of time, or smallest unit of time.  I'm no expert in all this, of course, just some guy who's curious and likes to think about these things.  There are many theories of what time actually is.  For an Alien's explanation of time:  

www.geocities.com/zarkorzerak/index.html

Episode:  'Time'






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