'There is no time' - Wired magazine

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  • #26
Art
zoobyshoe said:
Thanks for digging that up, Art, but that quote just confused me more about what he is trying to say.

"It is perfectly meaningful to state that two events may be separated by a certain duration, while denying that time mysteriously flows from one event to the other."

If you're sensitive to language, notice the syntactically hinky use of the word "duration." The sentence ends up not having any meaning I can fathom.
I'm not sure but how I read it is that it seems to suggest that all events occur (or could occur) simultaneously but to travel from one event to another requires movement (duration) which we perceive as the flow of time. I can't see how this makes any difference on a practical level but from a philosophical viewpoint it is probably important?? :confused:
 
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  • #27
Art
Ah, found some more on this. His central contention is that there is no such thing as a specific static instant in time his argument being that for time to be continuous it precludes the possibility of a physical static instant. From this he expounds that this uncertainty in time is what creates quantum uncertainty which he argues is a concept which applies to the macroscopic world as it does to the quantum world. Here's the conclusion from his paper;
Conclusion:
In summary, it was shown there is a necessary trade off of all precisely determined physical magnitudes and values at a time, for their continuity through time, although with the parameter and boundary of their respective magnitude and value being determinable up to the limits of possible measurement as described by the quantum hypothesis,(1) but with this indeterminacy in precise value not being a consequence of h and quantum uncertainty. This illustrated that in relation to indeterminacy in precise physical magnitude, the macro and microscopic are inextricably linked, rather than being a variable only directly associated with the quantum world. The explanation provided was also shown to be the correct solution to the motion and infinity paradoxes, excluding the Stadium, originally conceived by the ancient Greek mathematician, Zeno of Elea.(9) It is not necessary for time to emerge from the quantum foam present just after the big bang at approximately (Gh/c3)1/2 scale,(2-7) and the proposals of Imaginary Time (2, 3, 5-7) and Chronons,(2, 8) have been shown to be incompatible with a consistent physical description, and would appear to be superseded on a theoretical basis.
 
  • #28
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Art said:
Ah, found some more on this. His central contention is that there is no such thing as a specific static instant in time his argument being that for time to be continuous it precludes the possibility of a physical static instant.
I am not sure that anyone has ever claimed such a thing as a physical static instant. Maybe some people have gotten into trouble be taking arbitrary cutoff points like t=0 too seriously, but I'm not aware of it if they have.

Planck proposed a smallest possible measurement of time that has any meaning: the time it takes a photon to travel one "planck length", but this isn't the same thing as proposing a physically static instant.
 
  • #29
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zoobyshoe said:
Planck proposed a smallest possible measurement of time that has any meaning: the time it takes a photon to travel one "planck length", but this isn't the same thing as proposing a physically static instant.
If it exists, time is either continuous or quantized. By definition this is what quantized means: discrete units.
 
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All this man did was become a psuedo-Buddhist new age Hindi poser. His book will sell millions, of course.

Now, if he invents a new system of mathematics to accompany his theory, that might be a different story. Then, after he dies, we might have a revolution.

The article only mentioned that he and Deutsch had a little chat. It did not seem like Deutsch was interested.
 
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  • #31
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Telos said:
All this man did was become a psuedo-Buddhist new age Hindi poser. His book will sell millions, of course.
Well! I better start crackin!
 

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