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Time travel

Time travel

In principle it's possible...

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Guest: Wimpie (3501 days ago)
"Dream on. Ain't never going to happen." A bit more than a century ago most people didn't believe it was possible for man to fly...I believe nothing is impossible
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"Dream on. Ain't never going to happen." A bit more than a century ago most people didn't believe it was possible for man to fly...I believe nothing is impossible
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maverickrazor maverickrazor (3631 days ago)
Dream on. Ain't never going to happen. Go on, have a punt at the bookies. You'll get fucking great odds
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Dream on. Ain't never going to happen. Go on, have a punt at the bookies. You'll get fucking great odds
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Guest: Owen Navillus (3475 days ago)
This is such a great debate. However, Hawking's logic is not informed by this evolution in the time-travel discussion: that the time travel facility is itself time-bound: between the timeframe beginning with the first operation of the 'time-machine' and ending when it stops working. I parenthise 'time-machine' as time-tunnel may be a more appropriate name for what is being considered here.
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This is such a great debate. However, Hawking's logic is not informed by this evolution in the time-travel discussion: that the time travel facility is itself time-bound: between the timeframe beginning with the first operation of the 'time-machine' and ending when it stops working. I parenthise 'time-machine' as time-tunnel may be a more appropriate name for what is being considered here.
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Guest: byron (3602 days ago)
no actually. its humanly impossible. To approach the speed of light, you would need 100% efficiency with energy usage. but due to thermodynamics, that is impossible because energy will always be lost as sound and heat
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no actually. its humanly impossible. To approach the speed of light, you would need 100% efficiency with energy usage. but due to thermodynamics, that is impossible because energy will always be lost as sound and heat
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Guest: (3519 days ago)
Hawking said that time has never been breached as we have never been invaded by time travelling tourists from the future.
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Hawking said that time has never been breached as we have never been invaded by time travelling tourists from the future.
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Guest: Wtflol (3513 days ago)
"Hawking said that time has never been breached as we have never been invaded by time travelling tourists from the future." If you watch the video, it notes that you'd only be able to slow time, not reverse it. "as a century would have gone by and I doubt any records would still exist." I'm pretty sure that records a century old would survive...
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"Hawking said that time has never been breached as we have never been invaded by time travelling tourists from the future." If you watch the video, it notes that you'd only be able to slow time, not reverse it. "as a century would have gone by and I doubt any records would still exist." I'm pretty sure that records a century old would survive...
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Guest: schrodinger's cat (3613 days ago)
it is totally going to happen eventually.
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it is totally going to happen eventually.
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Guest: axp (3462 days ago)
lorentz transformation, it's simple.
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lorentz transformation, it's simple.
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Guest: mike, aged 45 1/2 (3524 days ago)
e=mc2 or have you all forgoten that? Course, if you can prove it dosn't...
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e=mc2 or have you all forgoten that? Course, if you can prove it dosn't...
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Guest: Lee (3541 days ago)
Here is the problem. Say he hits the speed of light. At this point he has gone 100 years. Even if he somehow ended up back at earth which I highly doubt would happen, there would be no proof of anything as a century would have gone by and I doubt any records would still exist. This will be one of those things always dreamed about and portrayed in movies but we'll just never get to see it.
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Here is the problem. Say he hits the speed of light. At this point he has gone 100 years. Even if he somehow ended up back at earth which I highly doubt would happen, there would be no proof of anything as a century would have gone by and I doubt any records would still exist. This will be one of those things always dreamed about and portrayed in movies but we'll just never get to see it.
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jake1983 jake1983 (3582 days ago)
the implications of time manipulation are the greatest and scariest things man has ever explored
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the implications of time manipulation are the greatest and scariest things man has ever explored
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Guest: barnz202 (3372 days ago)
Latest comment: it is impossible end of story you would effect the time/space continuum thus making a time loop and all ways being stuck seeing yourself
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Latest comment: it is impossible end of story you would effect the time/space continuum thus making a time loop and all ways being stuck seeing yourself
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