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FQXi FORUM
May 21, 2013

ARTICLE: Killing Time [back to article]
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Karl Coryat wrote on Jun. 28, 2012 @ 21:04 GMT
Don Page is right that the dragon is the puppet of a more powerful master, and I believe that master to be information. (Shameless plug, this is the topic of my essay in the current contest.) I invite readers to try a relational, information-theoretic perspective of time, where time emerges out of classical information structure in relation to observers that are part of that structure. Time will naturally appear "frozen" when we consider the universe as a whole -- this is consistent with Rovelli's point, in his seminal RQM paper, that "there is no description of the universe in-toto, only a quantum-interrelated net of partial descriptions."

In layman's terms, the past is the direction toward which we see classical information, and the future is the uncertain direction. The apparent passage of time is a function of the crystallization of information out of uncertainty, as seen by participatory observers on the information/uncertainty boundary.

An explanation of time where it doesn't emerge out of relative information may be like explaining a rainbow without referencing the relative positions of water droplets, a light source, and the observer -- good luck with that!

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FQXi Administrator Brendan Foster wrote on Jul. 3, 2012 @ 15:56 GMT
Just a note to remind forum users that posts that do not attempt to directly address the content of the article or an existing post may be marked as spam and removed.

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FQXi Administrator Brendan Foster replied on Jul. 3, 2012 @ 15:57 GMT
Wait, doesn't that mean this post should be removed? Oh, what a dilemma.

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Pentcho Valev replied on Jul. 3, 2012 @ 16:26 GMT
In my posts I discussed the transition from the relativity of simultaneity to absolute simultaneity (that is, from Einsteinan time back to Newtonian time). Obviously this "directly addresses the content of the article". Please restore my posts, Brendan Foster.

Pentcho Valev pvalev@yahoo.com

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J. C. N. Smith replied on Jul. 15, 2012 @ 22:00 GMT
Hmmm . . . strange, but the last time I read the article 'Killing Time' the topic of the article had something to do with the nature of time. I left a post (subsequently removed) which suggested that anyone interested in slaying the dragon of time might want to look at an essay offering another paradigm for the nature of time. How, exactly, did that fail to address the content of the article? Would it have been more acceptable if, rather than referring readers to an essay on the topic, I'd run on at length in this space regurgitating ideas on the nature of time which interested readers would have found by going to the referenced essay? That approach struck me as being wasteful of readers' valuable time and your valuable space.

jcns

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Eckard Blumschein wrote on Jul. 3, 2012 @ 17:45 GMT
Maybe, we should not slay sensible reasoning. Maybe, we can cross Cauchy's and Killing's horizons rather than the Cauchy horizon and the Killing horizon.

My previous essay tried to remind of the possibility for proper domesticating the i in ih_bar.

Eckard

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Pentcho Valev wrote on Jul. 3, 2012 @ 19:21 GMT
Kate Becker wrote: "Time used to be straightforward. To Isaac Newton, time was an absolute, like the tick-tocking of a great cosmic clock. In his theory of general relativity, though, Einstein threw out that cosmic clock and replaced it with a new and pliable notion of time. To Einstein, time could speed up or slow down..."

An example of a clock running slow in a gravitational well:

http://student.fizika.org/~jsisko/Knjige/Klasicna%20Meh
anika/David%20Morin/CH13.PDF

David Morin: "The equivalence principle has a striking consequence concerning the behavior of clocks in a gravitational field. It implies that higher clocks run faster than lower clocks. If you put a watch on top of a tower, and then stand on the ground, you will see the watch on the tower tick faster than an identical watch on your wrist. When you take the watch down and compare it to the one on your wrist, it will show more time elapsed."

Is that true? Will the watch on the tower show more time elapsed? Einstein and Morin say "yes" but what does Nature say? Banesh Hoffmann suspects Nature of saying "no":

http://www.amazon.com/Relativity-Its-Roots-Banesh-Hoffm
ann/dp/0486406768

Banesh Hoffmann: "In an accelerated sky laboratory, and therefore also in the corresponding earth laboratory, the frequence of arrival of light pulses is lower than the ticking rate of the upper clocks even though all the clocks go at the same rate. (...) As a result the experimenter at the ceiling of the sky laboratory will see with his own eyes that the floor clock is going at a slower rate than the ceiling clock - even though, as I have stressed, both are going at the same rate. (...) The gravitational red shift does not arise from changes in the intrinsic rates of clocks. It arises from what befalls light signals as they traverse space and time in the presence of gravitation."

Pentcho Valev pvalev@yahoo.com

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Pentcho Valev replied on Jul. 4, 2012 @ 14:11 GMT
Kate Becker wrote: "Yet for all this strangeness, quantum theory held on to a thoroughly Newtonian picture of time - "The same one Einstein wanted to get rid of," says Anderson. "General relativity and quantum theory developed at almost the same moment, but they moved in different directions away from Newton," Anderson points out. So while general relativity offered a new and plastic version of time, quantum mechanics adhered to the old standard."

There are extremely simple scenarios allowing one, if not to make a definitive choice between the "new and plastic version of time" and the "old standard", at least to see the seminal difference between them. For instance, the classic derivation of time dilation presupposes a light beam travelling vertically, between two mirrors, on a train:

http://www.people.fas.harvard.edu/~djmorin/chap11.pdf

p
. 12: "In B's frame [that is, as judged by an observer on the ground], the train moves at speed v. The path of the light is shown in Fig. 11.9. The crucial fact to remember is that the speed of light in B's frame is still c. This means that the light travels along its diagonally upward path at speed c. (The vertical component of the speed is not c, as would be the case if light behaved like a baseball.)

If light does behave like a baseball and the vertical component of the speed is c, the "old standard" is correct. If not, the "new and plastic version of time" is correct.

Another scenario:

http://www.usna.edu/Users/physics/mungan/Scholarshi
p/DopplerEffect.pdf

Carl Mungan: "Consider the case where the observer moves toward the source. In this case, the observer is rushing head-long into the wavefronts... (...) In fact, the wave speed is simply increased by the observer speed, as we can see by jumping into the observer's frame of reference."

If this is valid for light waves, the "old standard" is correct. If this is not valid for light waves, that is, if, although we jump into the observer's frame of reference, we don't see any increase in the wave speed, then the "new and plastic version of time" is correct.

Pentcho Valev pvalev@yahoo.com

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Steve Dufourny wrote on Jul. 8, 2012 @ 12:42 GMT
brendan, the strategy of some members of FQXi more Noldus....perhaps it is your language of strategy from holland but be sure that I laugh.

You must kill me now !

20 posts and I see 7 posts, your strategy brendan of threads superimposed shall not change this eviodence of bad comportments for a pseudo vanity. Those persons are bad and I cannot accept that.In fact you discriminate me, you inveny diffamations, you make lies.I cannot accept this strategy.

The respect is simple and complex,my faith will eat the bad persons !!!

Put your vanity where I think.With respect of course dear straegists , frrustrated ! jealous, uncompetents and in team with tools.me alone with my deterministic sciences. Logic you are very nervous.

Sad is a weak word for your comportments.Say hello in dutch to Johan the pseudo scientists full of hate.Me I love flowers and what ? you dislike that I am a person of well. Logic because you are jealous, vanitious and frustrated and in team of pseudo mathematicians.Your only skillings are for the computing and the pseudo sciences where the irrationalities are the main conductor of your reasonings. The world is on the bad road just because it exists people like you.With responsabilities but with a heart full of hate. You do not imrpove the world, you destroy it.The sciences and the searchers are there to help the humanity, the rest is vain.Never they must imply probelms and bad comportments implying global probelms.

CIA and SRI please help me.They discriminate me and utilize bad strategies with the computing and several algorythms.They profit of their power.

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Vijay Mohan Gupta replied on Jul. 12, 2012 @ 15:04 GMT
Good Morning Edward Anderson,

As a Pico-Physicist I don’t see any compatibility issue between the two natural phenomenon - natural quantization and heterogeneity in space introduced due to presence of matter leading to gravity affect.

I would like to invite you to review my essay on 5-Dimensional Universe at

http://fqxi.org/community/forum/topic/1326

I look forward to your comments and evaluation of the essay.



Thanks & Best Regards,

Vijay Gupta

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Daniel L. B. wrote on Jul. 14, 2012 @ 19:45 GMT
note: This is from a article I posted on my blog in 2010.

The greatest problem with current physics theories is that they consider time as if it were a property of physical reality.

Time is a relational concept which is made to allow us to compare events with periodic and cyclic systems; in other words, clocks. But time has time any more effect on reality than the clocks that are...

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Georgina Parry replied on Jul. 14, 2012 @ 23:32 GMT
I think that is nicely written Daniel.

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Daniel L. B. replied on Jul. 15, 2012 @ 06:11 GMT
Thank you Georgina. I still wish I had taken more time to edit it (ie. then instead of than), but the important thing is clarity.

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Anonymous replied on Feb. 18, 2013 @ 06:14 GMT
Daniel, Georgina,

The problem is always the same. Not knowing the difference between physics and metaphysics, and the limits of each.

There is EXPERIENCE, what we make up of the world through our senses and mind. EXPERIENCE requires our presence to happen to exist. So, forget about physics without observer; we are always part and cause of the observation and its interpretation....

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amrit wrote on Jan. 5, 2013 @ 12:47 GMT
Time is a fundamental physical quantity which has only a mathematical existence.

http://physicsessays.org/action/doSearc ... Text=sorli

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Wilhelmus de Wilde replied on Jan. 5, 2013 @ 15:37 GMT
Time is an illusion that has only existence in our memory.

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Anonymous replied on Jan. 5, 2013 @ 16:54 GMT
No, it is a trunk, not a wall, or a pillar.

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Hector Daniel Gianni wrote on Jan. 16, 2013 @ 21:38 GMT
I would address specifically to the so called “The time problem” and of course to this article “Killing time”.

I am going to be as concrete as possible; if you read the article you will realize why it can’t be shorter. Mainly theoretical physicists are the most interested in “the nature of time” and they like to believe the subject is inherent to...

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Pentcho Valev wrote on Feb. 10, 2013 @ 08:30 GMT
Quantum Gravity and Doublethink

QUANTUM GRAVITY IN PERSPECTIVE, LMU Munich, 31st May - 1st June 2013: "The search for a theory which would unite the insights of general relativity with those of quantum theory, a theory of quantum gravity, has now lasted the better part of a century. Although a number of promising candidate theories have emerged (string theory and loop quantum gravity being...

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Pentcho Valev replied on Feb. 12, 2013 @ 19:00 GMT
Is Einstein's 1905 light postulate false?

"An immediate consequence of the light postulate is that observers in the inertially moving spaceship will not judge the light signal to have slowed, no matter how fast they are moving past us. That is impossible according to classical Newtonian physics."

They will judge the frequency to have decreased, in accordance with classical Newtonian physics:

f' = f(1-v/c) = (c-v)/L

where v is the speed of the spaceship (relative to us), f=c/L is the original frequency and L is the wavelength. This means that the light signal is slower in the spaceship (c'=c-v).

Since the "immediate consequence of the light postulate" is false, the light postulate is false as well. That is, the speed of light does depend on the speed of the light source.

Pentcho Valev

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Pentcho Valev replied on Feb. 23, 2013 @ 19:00 GMT
Einsteinians are going to waste more money on quantum gravity:

Quantum Gravity in Paris, 26-29 March 2012: "The general subject of the workshop is quantum gravity in all its aspects and approaches. The fundamental definition of the theory is the focal topic..."

There can be no "fundamental definition of the theory" unless Einstein's 1905 false light postulate and its absurd...

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Peter Jackson wrote on Feb. 18, 2013 @ 22:07 GMT
Pentcho,

When light slows down to propagate at c through the spaceship (i.e. 'in it's frame'), it is acting in accordance with both the SR postulates;

1. Doing c everywhere.

2. Behaving the same in all frames.

This is not however as the mainstream interpretation of SR. You have misidentified the flaw in current interpretation. The simplistic claim that it is the postulate that is wrong will get you nowhere as it flies in the face of all evidence.

The answer CONSISTENT with all the evidence indeed more even than SR) is that it is the assumption that any background has to be an ABSOLUTER background that is incorrect.

As the background frame for c on Venus is clearly doing a very different speed to the background field of EARTH'S atmosphere, how can any grownup claim the two are doing the same speed?

Please try to engage in an intelligent conversation to explain that nonsensical assumption.

Peter

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