Time Travel is Science Fiction

Farsight said:
They aren't mainstream scientists. They're celebrity quacks and wannabees on the Discovery Channel peddling woo to suckers and kids and pimping their latest book.
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i sense great jealousy in you.
it's like you believe you should be there, and you're not, so you lash out at actual scientist, only to fill that void you have.
it's obvious and pathetic.
 
OnlyMe said:
Theorists are the dreamers of science. There would be little real progress or advancement without them and yet until their theories are taken up by those who can implement them, in some real physical way by either practical observation or engineering, they remain the stuff of dreams and imagination, we call theories.
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how can one be a PhD theoretical physicist, and not be a applied physicist and/or engineer.
that's comical.
being a PhD theoretical physicists makes you an applied physicist and an engineer.
 
OnlyMe said:
To quote the great krash, comical!
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that's the reality.how is that comical ?
i haven't met an actual theoretical physicist that's not an engineer or an applied physicists. we do it all, as a team.
you can not work as a theoretical physicist with out being able to do the others.
only actual PhD holders or scientist themselves knows this.
that's partly how i know who is actually clueless and who is not,with little things like this.
experience makes somethings obvious.
 
krash661 said:
that's the reality.how is that comical ?
i haven't met an actual theoretical physicist that's not an engineer or an applied physicists. we do it all, as a team.
you can not work as a theoretical physicist with out being able to do the others.
only actual PhD holders or scientist themselves knows this.
that's partly how i know who is actually clueless and who is not,with little things like this.
experience makes somethings obvious.
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You made a statement as an absolute... Meaning that based on your statement all theoretical physicists, also work in experimental labs etc., in attempts to prove the theoretical work or in some why contribute directly to some engineering that brings some theorized aspect of reality, to reality in some practical manner.

I don't have a PhD in physics and spent most of my working career making money in mostly unrelated areas of the economy, but I have spoken directly with more than one physicist, who will remain nameless as I am sure they would not want to be included by name in these discussions, one of which contributed directly to muon research at Stanford and another who I am unsure ever even set foot in a physics lab other than as a student, grad student or professor.

Statements like yours above, are almost always false! Unless your intended meaning was not clearly established.
 
Yeah, scientists are not geniuses. Theoretical physicists sometimes get well removed from applications. On the plus side, there is usually a clear line from their work to applications, even if they can't connect it themselves. Theoretical physics is theoretical: the work often can't be tested when it is developed.
 
OnlyMe said:
You made a statement as an absolute... Meaning that based on your statement all theoretical physicists, also work in experimental labs etc., in attempts to prove the theoretical work or in some why contribute directly to some engineering that brings some theorized aspect of reality, to reality in some practical manner.

I don't have a PhD in physics and spent most of my working career making money in mostly unrelated areas of the economy, but I have spoken directly with more than one physicist, who will remain nameless as I am sure they would not want to be included by name in these discussions, one of which contributed directly to muon research at Stanford and another who I am unsure ever even set foot in a physics lab other than as a student, grad student or professor.

Statements like yours above, are almost always false! Unless your intended meaning was not clearly established.
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ok, yes true, i understand. not all physicist.
i'm also speaking from my experience. every physicist that is involved, is an engineer and an applied physicist. we can not do the work if we are not. it's that simple.
 
PhysBang said:
Yeah, scientists are not geniuses. Theoretical physicists sometimes get well removed from applications. On the plus side, there is usually a clear line from their work to applications, even if they can't connect it themselves. Theoretical physics is theoretical: the work often can't be tested when it is developed.
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not true, we develop, we build, we test. it's that simple.
it's called a team of physicist. where i'm working, there's no engineer holders or applied physicist, we are all theoretical physicist.
but yes, it is true that somethings can not be tested from development, but we can try to build something to test, if not, make models.
there's really no line that divides the three, even mathematics. only experience. nothing more.
ask an actual public scientist, ask them how they received that career, i bet they will say," because i said i can do that. "
 
OnlyMe said:
Theorists are the dreamers of science. There would be little real progress or advancement without them and yet until their theories are taken up by those who can implement them, in some real physical way by either practical observation or engineering, they remain the stuff of dreams and imagination, we call theories.
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No theories are science's best estimation as to how the Universe works, and gain in certainty over time. The BB, SR, GR, Evolution, Abiogenesis for example are often taken as near fact.
Theorists as you say literally dream up ideas and speculative scenarios that at the very least align with, or are consistent with the laws of physics and GR.
Over time, as our tools and technological capabilities improve, we may or may not see those dreams become reality. Examples of that are of course a long sort after observationally validated TOE and perhaps the ability to warp space and time, and to control and implement the energies associated with Kerr BH's, so facilitating time travel at the macro level.
 
paddoboy said:
And that methodology has certainly been given air play within NASA and JPL, for future interstellar travels.
For the individual concerned that is "frozen in time", from his perspective time has certainly biologically stopped, or at least slowed down.
All this does in my opinion, is show how right Einstein was in the non absolute nature of both time and space...or as Kip Thorne prefers to call it, the aspect of "personal time".
And how time dilation effects can be and are referred to as "time travel"

The following describes it far better than I ever can......
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
Medical Time Travel
©2004 by Brian Wowk, PhD

This article is a chapter from the book
The Scientific Conquest of Death. It is
reproduced here with permission of the
author and publisher.

Time travel is a solved problem. Einstein showed that if you travel in a spaceship for months at speeds close to the speed of light, you can return to earth centuries in the future. Unfortunately for would-be time travelers, such spacecraft will not be available until centuries in the future.

Rather than Einstein, nature relies on Arrhenius to achieve time travel. The Arrhenius equation of chemistry describes how chemical reactions slow down as temperature is reduced. Since life is chemistry, life itself slows down at cooler temperatures. Hibernating animals use this principle to time travel from summer to summer, skipping winters when food is scarce.
....
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The procedures described only demonstrate an interruption of memory, which is necesary for recording "time".
People in comas do not have any sense of elapsed time.
 
Trippy said:
From Farsight's source:

So here we have, it seems, Farsight's source explicitly stating that Gödel's solutions seem to suggest that time travelling into the past or the future could be as simple as heading in the right direction at the right speed, and then, seemingly, going on to demolish Farsight's entire premise by stating that the implication is that the past exist as a tangible thing somewhere (which no longer requires us to move everything back to where it was), and that the implication of that is that if these solutions mirror reality then time, as we think of it, is essentially another direction in space.
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Yes, that’s right Trippy, Godel used Einstein’s field equations to show a rotating universe, where the past is always there, you don’t time travel to it, you travel to it in a space direction, hence in that sense, there is no time. And hence the book’s title.

I have come to the conclusion Farsight is a favoured love child of the gods mods.
Every time I see Farsight’s frozen turkey, I think of Farsight Mr Bean with a frozen turkey stuck over his head.
 
phyti said:
The procedures described only demonstrate an interruption of memory, which is necesary for recording "time".
People in comas do not have any sense of elapsed time.
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And some people are to strapped to what they see as "intuitive" in nature, completely disregarding the possibilities of long term suspended animation, or time dilation scenarios, to see them as realistic time travel of sorts.

Being considered by some is that our first interstellar voyages maybe crewed by people in suspended animation, where time for them is either stopped or slowed. They travel thousands of Earth years and wake aging only a few years.
That's a form of time travel in my book, and more importantly in the opinions of most professional experts that have been contacted and referenced here.
 
Farsight said:
Er, Trippy, did you somehow miss the bit that said this?

"Einstein saw at once that if Gödel was right, he had not merely domesticated time: he had killed it."
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Oh please.

As Nimbus said:
nimbus said:
Yes, that’s right Trippy, Godel used Einstein’s field equations to show a rotating universe, where the past is always there, you don’t time travel to it, you travel to it in a space direction, hence in that sense, there is no time. And hence the book’s title.
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And as I said in the very post you quoted:
Trippy said:
So here we have, it seems, Farsight's source explicitly stating that Gödel's solutions seem to suggest that time travelling into the past or the future could be as simple as heading in the right direction at the right speed, and then, seemingly, going on to demolish Farsight's entire premise by stating that the implication is that the past exist as a tangible thing somewhere (which no longer requires us to move everything back to where it was), and that the implication of that is that if these solutions mirror reality then time, as we think of it, is essentially another direction in space.
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Try again, try harder.

Godel "killed time" because if Godel was right and we were in a rotating universe that had a Godel metric then rather than being something 'special and something 'seperate' to spatial directions, Past and future were merely directions in space like up and down, left and right, in front and behind. Hence he had indeed 'killed time'.

Maybe you should read your own source and stop cherry picking it?
 
tashja said:
I have Prof. Thorne's book, and the chapter in question (Messaging the Past), is labeled with his red S-for speculation pyramid symbol throughout, with only one EG-for educated guess symbol. On page 269 he says:

I think he's still undecided about time-travel.
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The irony is, according to Farsight's source, Hawking came up with the chronology protection conjecture because he didn't like how easy the Godel metric makes time travel.
 
nimbus said:
Yes, that’s right Trippy, Godel used Einstein’s field equations to show a rotating universe, where the past is always there, you don’t time travel to it, you travel to it in a space direction, hence in that sense, there is no time. And hence the book’s title. I have come to the conclusion Farsight is a favoured love child of the gods mods. Every time I see Farsight’s frozen turkey, I think of Farsight Mr Bean with a frozen turkey stuck over his head.
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No you don't. Every time you see the turkey, you think of paddoboy. And then you think of his time machine:

thumb_bottom_freezer_refrigerators.jpg
 
Farsight said:
No you don't. Every time you see the turkey, you think of paddoboy. And then you think of his time machine:

thumb_bottom_freezer_refrigerators.jpg
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Farsight, while it is likely true that those who respond to your crap, including myself, add to the moderation problem.., I have a direct question for you, where in the above quoted post is there any reference to science? If you can't point to anything relevant, stop....
 
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