Last post wins.

[LegacyofEight]

Not if you have a TARDIS

[Demon]

But I'm not a Time Lord

[baustin42]

(10-10-2014 01:21 PM)Demon Wrote:  Time travel (at least backwards) is not possible and never will be. Nearly all physicists agree on this.

Now teleportation…

Wormholes!!

Also, time travel forward is only theoretically possibly in the sense that time would pass at a different rate near a black hole. So if we ever develop technology capable of breaking away from the gravity of a black hole we could travel some petty number of years into Earth's future. So even for forward time travel we need to figure out first how to break the laws of physics.

[Demon]

(10-10-2014 02:11 PM)baustin42 Wrote:  

(10-10-2014 01:21 PM)Demon Wrote:  Time travel (at least backwards) is not possible and never will be. Nearly all physicists agree on this.

Now teleportation…

Wormholes!!

Also, time travel forward is only theoretically possibly in the sense that time would pass at a different rate near a black hole. So if we ever develop technology capable of breaking away from the gravity of a black hole we could travel some petty number of years into Earth's future. So even for forward time travel we need to figure out first how to break the laws of physics.

Or approach the speed of light. We can't reach the speed of light ever, of course, but if we traveled at say, even 0.5c the effect would be significant.

[Flarp55]

(10-10-2014 02:11 PM)baustin42 Wrote:  Even for forward time travel we need to figure out first how to break the laws of physics.

We are all traveling forward in time....

[baustin42]

(10-10-2014 02:48 PM)Flarp55 Wrote:  

(10-10-2014 02:11 PM)baustin42 Wrote:  Even for forward time travel we need to figure out first how to break the laws of physics.

We are all traveling forward in time....

Actually, technically, time is an illusion. I will however rephrase: In order to travel forward in time relative to natural progression, we need to figure out first how to break the laws of physics.

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(10-10-2014 02:44 PM)Demon Wrote:  Or approach the speed of light. We can't reach the speed of light ever, of course, but if we traveled at say, even 0.5c the effect would be significant.

All about the momentum, baby. Although, realistically, in order for the difference in time to be significant we would have to orbit. Pretty sure we would have to break the speed of light to break the orbit of a black hole.

[Flarp55]

(10-10-2014 02:53 PM)baustin42 Wrote:  

(10-10-2014 02:48 PM)Flarp55 Wrote:  

(10-10-2014 02:11 PM)baustin42 Wrote:  Even for forward time travel we need to figure out first how to break the laws of physics.

We are all traveling forward in time....

Actually, technically, time is an illusion. I will however rephrase: In order to travel forward in time relative to natural progression, we need to figure out first how to break the laws of physics.

Actually, we can. Special relativity.

[baustin42]

Special relativity is the reason why we can't reach light speed. Although space and time are distorted in situations where light speed would otherwise be breached, I'm not sure it's possible to accelerate anything of significant mass to a speed close enough.

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Disclaimer: I have done little to no research on this subject and am purely speculating.

[Flarp55]

(10-10-2014 03:18 PM)baustin42 Wrote:  Special relativity is the reason why we can't reach light speed. Although space and time are distorted in situations where light speed would otherwise be breached, I'm not sure it's possible to accelerate anything of significant mass to a speed close enough.

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Disclaimer: I have done little to no research on this subject and am purely speculating.

I thought it was special relativity, but I was talking about how you age slower when you travel close to light speed.

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Which is, in a sense, forward time travel

[baustin42]

Yes, time will dilate at a speed significantly close to the speed of light. I'm just saying I don't think it's possible for humans to travel at that speed.