Infinite vs. instant
in [Physics]
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From: Sam Wormley on 25 May 2010 13:45 On 5/25/10 12:38 PM, GogoJF wrote: > On May 25, 12:32 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >> On 5/25/10 11:48 AM, GogoJF wrote: >> >>> Seeing light is instantaneous; seeing >>> light is not a transmission like a radar wave. >> >> Other than its wavelength ,momentum and energy, >> radar (microwave) is identical to visible light. >> Whatever gave you reason to believe otherwise? > > Radar is two-way transmission for another. Shine a flash light into a mirror.
From: GogoJF on 25 May 2010 13:53 On May 25, 12:45 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > On 5/25/10 12:38 PM, GogoJF wrote: > > > On May 25, 12:32 pm, Sam Wormley<sworml...(a)gmail.com> wrote: > >> On 5/25/10 11:48 AM, GogoJF wrote: > > >>> Seeing light is instantaneous; seeing > >>> light is not a transmission like a radar wave. > > >> Other than its wavelength ,momentum and energy, > >> radar (microwave) is identical to visible light. > >> Whatever gave you reason to believe otherwise? > > > Radar is two-way transmission for another. > > Shine a flash light into a mirror. Don't paint yourself into a corner. You might not be able to get out.
From: Igor on 25 May 2010 16:20 On May 25, 10:45 am, GogoJF <jfgog...(a)yahoo.com> wrote: > On May 25, 9:42 am, Sam Wormley <sworml...(a)gmail.com> wrote: > > > On 5/25/10 9:19 AM, GogoJF wrote: > > > > When it comes to light, what is the difference? Isn't it two > > > different buzz words to describe a single phenomenon? > > > When you look at the moon you see it as it was about 1.3 second > > ago. Sun - About 8 minutes. Vega, when you look at Vega, you are > > seeing it as it was more than 25 years ago. > > Aw man, your living in the past. This question restated: what is the > difference between instant and infinite when it comes to light, when > dealing with physics? Restate it again. It's still clear as mud.
From: Sam Wormley on 25 May 2010 21:32 On 5/25/10 12:53 PM, GogoJF wrote: > On May 25, 12:45 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >> On 5/25/10 12:38 PM, GogoJF wrote: >> >>> On May 25, 12:32 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >>>> On 5/25/10 11:48 AM, GogoJF wrote: >> >>>>> Seeing light is instantaneous; seeing >>>>> light is not a transmission like a radar wave. >> >>>> Other than its wavelength ,momentum and energy, >>>> radar (microwave) is identical to visible light. >>>> Whatever gave you reason to believe otherwise? >> >>> Radar is two-way transmission for another. >> >> Shine a flash light into a mirror. > > Don't paint yourself into a corner. You might not be able to get out. Shall we try again Gogo? The electromagnetic force (one of four), is carried by the photon. Some examples from the electromagnetic' spectrum, include x-rays, UV, visible light, microwave. Radar frequencies are typically in longer wavelengths, say cm to meter range. From the quantum mechanical perspective, 1. photons are emitted (by charged particles) 2. photons propagate at c 3. photons are absorbed (by charged particles) Photon momentum p = hν/c = h/λ Photon Energy E = hν
From: GogoJF on 25 May 2010 23:12
On May 25, 8:32 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > On 5/25/10 12:53 PM, GogoJF wrote: > > > > > On May 25, 12:45 pm, Sam Wormley<sworml...(a)gmail.com>  wrote: > >> On 5/25/10 12:38 PM, GogoJF wrote: > > >>> On May 25, 12:32 pm, Sam Wormley<sworml...(a)gmail.com>   wrote: > >>>> On 5/25/10 11:48 AM, GogoJF wrote: > > >>>>> Seeing light is instantaneous; seeing > >>>>> light is not a transmission like a radar wave. > > >>>>    Other than its wavelength ,momentum and energy, > >>>>    radar (microwave) is identical to visible light. > >>>>    Whatever gave you reason to believe otherwise? > > >>> Radar is two-way transmission for another. > > >>   Shine a flash light into a mirror. > > > Don't paint yourself into a corner.  You might not be able to get out. > >   Shall we try again Gogo? The electromagnetic force (one of four), >   is carried by the photon. Some examples from the electromagnetic' >   spectrum, include x-rays, UV, visible light, microwave. Radar >   frequencies are typically in longer wavelengths, say cm to meter >   range. > >   From the quantum mechanical perspective, > >    1. photons are emitted (by charged particles) >    2. photons propagate at c >    3. photons are absorbed (by charged particles) > >   Photon momentum >    p = hν/c = h/λ > >   Photon Energy >    E = hν Why do you waste your time with me? |