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#51
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On 9/10/2015 6:33 AM, gareth wrote:
"rickman" wrote in message ... I guess he is picturing the quanta as a pulse of a wave which it *isn't*. Consider a quiet band, and you receive a single dit, the letter E in Morse Code. Before there would have been no signal and neither after the dit. So, if your RF photons do not have a beginning and an end, as they must do as pulsed phenomenon, how come there is only signal during the duration of the dit? Because the only time you hear the dit is when the radio wave is passing your antenna. The radio wave continues on; someone one light year away with a sufficiently sensitive receiver would hear the dit one year after you. But this has nothing to do with quantum physics. -- ================== Remove the "x" from my email address Jerry, AI0K ================== |
#52
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On Thu, 10 Sep 2015 11:11:00 +0000 (UTC), Brian Reay
wrote: The usual rejects are all the same, but for the rows they stir up, they have no life and certainly no pleasure. You're implying therefore that your relentless harassment of another poster suggests that you have no life and certainly no pleasure. Thank you for confirming that which we all already know. |
#53
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Brian Morrison wrote:
On Wed, 9 Sep 2015 08:16:17 -0700 Wayne wrote: "gareth" wrote in message ... 1. For those who suggest that RF transmissions are made up of photons, what is the amplitude envelope of each photon, and for how many cycles does it exist? Consider this. Waves and photons exist in visible light at any frequency. If the frequency is lowered below the visible spectrum all the way down to say, 1 MHz, at what point do the photons disappear? Or do they just get weak? It's not like that. The photons and the wave-like effects of their probability distribution functions, exist simultaneously. You cannot separate them, therefore they are generated by a single process that is exactly equivalent in both atoms and antennas. He can't grasp the concept Brian, you are wasting your time. He is hung up on the Bohr model and single electron transitions. |
#54
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On 9/10/2015 7:10 AM, Stephen Thomas Cole wrote:
Mike Tomlinson wrote: En el artÃ*culo 839586079463575279.800972no.sp- , Brian Reay escribió: He often recycles old topics which have been explained to him countless times in the past. He's just started off again about the "luminiferous aether" in u.r.a. Silly old sod's just spoiling for another fight. He must be desperately starved of attention. Or off his meds. Again. Maybe that is really the case. I was thinking just the other day that it was very quiet around here. "I wonder where Gareth is?" Now I know... hangs head I guess everyone has to chime in the same way my pets greet me when I've been away for a day... -- Rick |
#55
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![]() "Brian Morrison" wrote in message ... On Wed, 9 Sep 2015 08:16:17 -0700 Wayne wrote: "gareth" wrote in message ... 1. For those who suggest that RF transmissions are made up of photons, what is the amplitude envelope of each photon, and for how many cycles does it exist? Consider this. Waves and photons exist in visible light at any frequency. If the frequency is lowered below the visible spectrum all the way down to say, 1 MHz, at what point do the photons disappear? Or do they just get weak? It's not like that. The photons and the wave-like effects of their probability distribution functions, exist simultaneously. You cannot separate them, therefore they are generated by a single process that is exactly equivalent in both atoms and antennas. Well, that's exactly what I was getting at, but perhaps not as eloquently ![]() As frequency is lowered from visible light, there is no reason to believe that photons disappear when the frequency is below visible. |
#56
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On 9/10/2015 8:25 AM, gareth wrote:
"Brian Morrison" wrote in message ... It's not like that. The photons and the wave-like effects of their probability distribution functions, exist simultaneously. You cannot separate them, therefore they are generated by a single process that is exactly equivalent in both atoms and antennas. In atoms, theenergu process is from energy transitions of individual elelctrons, but that is not the mechanism in antennae. Why not? Don't antenna have atoms and electrons? Isn't the EM wave made by the electrons movement? Electrons generate packets of EM energy called Quanta. I expect you are bright enough to calculate the energy of a single EM quantum at 1 MHz. How much energy is it? What is the size of *any* quantum? -- Rick |
#57
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On 9/10/2015 8:43 AM, gareth wrote:
"Brian Reay" wrote in message ... Exactly, Evans is simply looking for an excuse to hurl his repertoire of abuse. He often recycles old topics which have been explained to him countless times in the past. Sometimes he digs up basic things he should have mastered decades ago, eg the super regen, Or, as here, looks up a few technical terms and launches into a topic he clearly has no knowledge of. Brian, M3OSN Old Chap, just because you are embarrassed that you do not have the answers, that is no reason to let fly with such a gratuitous and somewhat infantile tirade. Reminds me of the old joke about the Lion in the jungle. One morning he saunters forth and sees a monkey walking, he stops him and asks loudly, "WHO'S THE KING OF THE JUNGLE?" The monkey says, "You are, sir" and the lion goes on his way. Same thing happens with a boar and then a tiger. Finally he comes across an elephant and asks loudly, "WHO'S THE KING OF THE JUNGLE?" The elephant picks him up with his great trunk and slams him against a tree, then against a rock and finally throws him 100 feet crashing to the ground. The lion gets up, dusts himself off and with an annoyed look says, "Just because you don't know the answer, you don't have to get so mad!" -- Rick |
#58
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"Brian Reay" wrote in message
... He can't grasp the concept Brian, you are wasting your time. He is hung up on the Bohr model and single electron transitions. Yet more infantile abuse from you, OM. If you know the answers, then why not give them? If you don't know the answers, then shut up. |
#59
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"Wayne" wrote in message
... As frequency is lowered from visible light, there is no reason to believe that photons disappear when the frequency is below visible. There is no reason to believe that they appear in the first place when no mechanism exists for there creation, for all quantisation theory and experimental evidence arises from objects that are themselves quantised and not as multi-electrons in electric currents. How many cycles make up your RF photon, say, at 14MHz? How big is the photon? |
#60
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"rickman" wrote in message
... On 9/10/2015 8:25 AM, gareth wrote: "Brian Morrison" wrote in message ... It's not like that. The photons and the wave-like effects of their probability distribution functions, exist simultaneously. You cannot separate them, therefore they are generated by a single process that is exactly equivalent in both atoms and antennas. In atoms, theenergu process is from energy transitions of individual elelctrons, but that is not the mechanism in antennae. Why not? Don't antenna have atoms and electrons? irrelevant Isn't the EM wave made by the electrons movement? With voltage pressure giving rise to acceleration, yes, but not by quantised changes of electron orbits. Electrons generate packets of EM energy called Quanta. Irrelevamt. I expect you are bright enough to calculate the energy of a single EM quantum at 1 MHz. How much energy is it? What is the size of *any* quantum? I say that they do not exist. Let those who claim their existence make such a calculation and thereby ridicule themselves. |
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