Dear Krassimir, They can!!!!
For details, see my contrinution to the 2015 Vienna IS4IS meeting and following publications of the proceedings! Best, Gyuri 24.03.2017 16:25 időpontban Krassimir Markov ezt írta: > Dear Arturo and FIS Colleagues, > Let me remember that: > The basic misunderstanding that non-living objects could "exchange > information" leads to many principal theoretical as well as psychological > faults. > For instance, photon could exchange only energy and/or reflections ! > _Sorry for this n-th my remark ... _ > Friendly greetings > Krassimir > > FROM: tozziart...@libero.it > SENT: Friday, March 24, 2017 4:52 PM > TO: fis@listas.unizar.es > SUBJECT: [Fis] I: Re: Is information truly important? > > Dear Lars-Göran, > I prefer to use asap my second FIS bullet, therefore it will be my last FIS > mail for the next days. > > First of all, in special relativity, an observer is NOT by definition a > material object that can receive and store incoming energy from other > objects. > > In special relativity, an observer is a frame of reference from which a set > of objects or events are being measured. Speaking of an observer is not > specifically hypothesizing an individual person who is experiencing events, > but rather it is a particular mathematical context which objects and events > are to be evaluated from. The effects of special relativity occur whether or > not there is a "material object that can recieve and store incoming energy > from other objects" within the inertial reference frame to witness them. > Furthermore, take a photon (traveling at speed light) that crosses a cosmic > zone close to the sun. The photon "detects" (and therefore can interact > with) a huge sun surface (because of its high speed), while we humans on the > Earth "detect" (and can interact with) a much smaller sun surface. > Therefore, the photon may exchange more information with the sun than the > humans on the Earth: both the photon and the humans interact with the same > sun, but they "detect" different surfaces, and therefore they may exchange > with the sun a different information content. > If we also take into account that the photon detects an almost infinite, > fixed time, this means once again that it can exchange much more information > with the sun than we humans can. > > In sum, once again, information does not seem to be a physical quantity, > rather just a very subjective measure, depending on the speed and of the time > of the "observer". > > ARTURO TOZZI > > AA Professor Physics, University North Texas > > Pediatrician ASL Na2Nord, Italy > > Comput Intell Lab, University Manitoba > > http://arturotozzi.webnode.it/ > > ----Messaggio originale---- > Da: "Lars-Göran Johansson" <lars-goran.johans...@filosofi.uu.se> > Data: 24/03/2017 14.50 > A: "tozziart...@libero.it"<tozziart...@libero.it> > Ogg: Re: [Fis] Is information truly important? > > 24 mars 2017 kl. 13:15 skrev tozziart...@libero.it: > > Dear Fisers, > a big doubt... > > We know that the information of a 3D black hole is proportional to its 2D > horizon, according to the Bekenstein-Hawking equations. > > However, an hypotetical observer traveling at light speed (who watches a > black hole at rest) detects a very large black hole horizon, due to > Einstein's equations. > Therefore, he detects more information from the black hole than an observer > at rest, who sees a smaller horizon... An observer is by definition a > material object that can recieve and store incoming energy from other > objects. Since it requires infinite energy to accelerate even a slighest > object to the velocity of light, no observer can travel at the speed of > light. That means that your thought experiment is based in inconsistent > assumptions and no vaild conclusions from them can be drawn. > Lars-Göran Johansson > > In sum, information does not seem to be a physical quantity, rather just a > very subjective measure... > > ARTURO TOZZI > > AA Professor Physics, University North Texas > > Pediatrician ASL Na2Nord, Italy > > Comput Intell Lab, University Manitoba > > http://arturotozzi.webnode.it/ > _______________________________________________ > Fis mailing list > Fis@listas.unizar.es > http://listas.unizar.es/cgi-bin/mailman/listinfo/fis > > Lars-Göran Johansson > lars-goran.johans...@filosofi.uu.se > 0701-679178 ------------------------- _______________________________________________ Fis mailing list Fis@listas.unizar.es http://listas.unizar.es/cgi-bin/mailman/listinfo/fis _______________________________________________ Fis mailing list Fis@listas.unizar.es http://listas.unizar.es/cgi-bin/mailman/listinfo/fis
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