Light speed is constan "c". I am puzzled
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From: BradGuth on 7 Feb 2010 11:37 On Feb 7, 6:10 am, "bigflet...(a)gmail.com" <bigflet...(a)gmail.com> wrote: > On Feb 7, 9:38 pm, BradGuth <bradg...(a)gmail.com> wrote: > > > > > On Feb 7, 5:39 am, jmfbahciv <jmfbahciv(a)aol> wrote: > > > > Sanny wrote: > > > > The shortest distance between two points is straight line. It takes > > > > longer if you go up and down in curves. > > > > Wrong. > > > > Buy a pizza. Eat one slice. Now join the pizza edged made by > > > removing that slice. You end up with a bowl. Pick two > > > points on the edge of the bowl. Find the "shortest" distance > > > between those two points. You may not fly. > > > > Now find a globe of the world. What is the "shortest" > > > distance between NYC and Tokyo? > > > > /BAH > > > That's silly, because you'd obviously fly straight through the Earth > > in order to get to wherever. (just kidding) I mean, why bother going > > around? > > > Photons always have to go around atoms. The fewer the atoms the > > better. > > > However, what happens when there are no atoms (say less than 1/km3)? > > > How does the photon migrate from its point-source? > > > ~ BG > > Randomly, explained by the postulation of anti matter. > > BOfL Perhaps not so randomly, because on the observation sphere that's 14 billion light years away from the given original point-source of those photons, there's still a detectable photon for each and every mm2/sec (14e9 ly r = 2.204e59 mm2). 2.2e59 photons/sec is still impressive, especially considering that perhaps only 0.1% ever manage to get that far without their being blocked, diverted or converted. From a given galaxy that can be detected at 14e9 light years we'd need at least a point source of 2.2e62 photons/sec in order to detect each monochromatic photon/mm2/sec at that distance, and then the all- inclusive spectrum of such photons goes from gravity to Planck that'll also show up in each and every one of those mm2 on the surface of that same sphere. ~ BG
From: Sanny on 7 Feb 2010 11:55 > Ask your computer this; In this entire expanding universe, how many > all-inclusive photons (gravity to Planck) per atom do we have by now? infinite, if infinite exists. Bye Sanny Chat with Computer: http://www.GetClub.com/ Version 2.0
From: Shrikeback on 7 Feb 2010 12:04 On Feb 7, 6:00 am, "HVAC" <mr.h...(a)gmail.com> wrote: > "bert" <herbertglazie...(a)msn.com> wrote in message > > news:e7e363d3-eaa3-446a-8cd6-656064a59659(a)b2g2000yqi.googlegroups.com... > > >To Ya All Photons never bounce or change their speed. TreBert > > It's truly amazing that one person can so consistently wrong. > > NONE of the light you see is traveling at C. > Our atmosphere slows it. But that is just the phase velocity.
From: Shrikeback on 7 Feb 2010 12:05 On Feb 6, 9:17 am, Sanny <softtank...(a)hotmail.com> wrote: > > > 1. Light is a wave. It is a sine wave with Magnetic & Electric fields > > > orthogonal. > > > > Since a Sine wave is a curve. > > > > The shortest distance between two points is straight line. It takes > > > longer if you go up and down in curves. > > === > > > When it is said that light is a wave, it doesn't mean that it travel > > along a sinusoidal path. It means that the field strength varies > > sinusoidally, meaning the electric and magnetic fields get stronger > > and weaker over space. It has nothing to do with the path that light > > follows (which is a straight line). > > Light is actually photons. and photons follow a sinusoidally path. So > when we enlarge the picture > > Say photon moving from one wavelength to other it is following a > curve. Higher the frequency the higher junps the photon will make. You completely ignored what he wrote.
From: BradGuth on 7 Feb 2010 12:08
On Feb 7, 8:55 am, Sanny <softtank...(a)hotmail.com> wrote: > > Ask your computer this; In this entire expanding universe, how many > > all-inclusive photons (gravity to Planck) per atom do we have by now? > > infinite, if infinite exists. > > Bye > Sanny > > Chat with Computer:http://www.GetClub.com/Version 2.0 I like to suggest 1e100 photons/atom currently exist, though it could certainly be more. ~ BG |