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"Anthony D. Baye" <Sha### [at] hotmail com> wrote in message
news:42f0342b$1@news.povray.org...
<snip>
> so when you look at a light bulb, it's not really the light you're
> seeing, but the glowing filament, and the light bulb of course.
That's not exactly correct. It is the light/photons/radiation that you are
seeing, not the object.
The object is only seen because photons are being reflected off it, or because
it is producing photons. After all, our eyes can't sense objects (we use touch
for that), they can only sense light (and the polarisation of light).
:)
Lance.
thezone - thezone.firewave.com.au
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