If time travel were possible...

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shelaby

Golden Member
Dec 29, 2002
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dont you think we would have been overrun by tourists from the future?

just something for ATOT to ponder
 
scorpmatt

scorpmatt

Diamond Member
Feb 8, 2001
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if time travel were possible, then no, because if you change the past then those people may not exist in the future so they couldn't come back and change the past. paradox
 
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GML3G0

Golden Member
Jan 1, 2005
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Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

butterfly effect

if you're in someone's way and cause them to walk 2" to the right off their intended path, then you could change their future and thus everyone's around him.

chain reaction.
 
scorpmatt

scorpmatt

Diamond Member
Feb 8, 2001
7,040
97
91
Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

you said overrun by future terrorists. that would change the past, our present. Not exactly the proper thing to do. Now if they went into the future then they could change something.
 
SMOGZINN

SMOGZINN

Lifer
Jun 17, 2005
14,359
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Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

No, because observing a thing changes it.

Just ask Schroders cat!
 
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LongCoolMother

Diamond Member
Sep 4, 2001
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stephen hawking offers a simple, possible explanation for the paradox in A brief histoy of Time. Give it a read, its worth the read anyway.
 
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shelaby

Golden Member
Dec 29, 2002
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Originally posted by: MartyMcFly3
Who the hell would travel back to/forward to now?
Click to expand...

School field trip? who knows? that would be pretty cool to take school field trips to the past if time travel were ever a reality
 
D

dxkj

Lifer
Feb 17, 2001
11,772
2
81
Originally posted by: Lonyo
Originally posted by: SMOGZINN
Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

No, because observing a thing changes it.

Just ask Schroders cat!
Click to expand...

Schroedingers cat?
Click to expand...

The cat is both dead and alive at the same time... until we observe it, and then it is one or the other, hence observing changes..

quantum indeterminacy

If you hadn't observe the cat, would it be dead? etc bla bla
 
scorpmatt

scorpmatt

Diamond Member
Feb 8, 2001
7,040
97
91
Originally posted by: dxkj
Originally posted by: Lonyo
Originally posted by: SMOGZINN
Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

No, because observing a thing changes it.

Just ask Schroders cat!
Click to expand...

Schroedingers cat?
Click to expand...

The cat is both dead and alive at the same time... until we observe it, and then it is one or the other, hence observing changes..

quantum indeterminacy

If you hadn't observe the cat, would it be dead? etc bla bla
Click to expand...

Douglas Adams lives!
 
M

Mill

Lifer
Oct 10, 1999
28,558
3
81
Originally posted by: scorpmatt
Originally posted by: shelaby
who says they woudl change the past? they couldnt just observe?
Click to expand...

you said overrun by future terrorists. that would change the past, our present. Not exactly the proper thing to do. Now if they went into the future then they could change something.
Click to expand...

TOURISTS != TERRORISTS
 
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