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Subject: Re: You use different lenses underwater because the speed of light is different



In article , "Dennis
(Icarus)" writes
>"Xiaoding" wrote in message
>news:1146752482.308729.319130@y43g2000cwc.googlegroups.com...

>> The propogation of photons is delayed, yes. But individual pjotons do
>> not propogate, they only travel in a vaccuum.
>> they then hit something, are absorbed, and then that something (an
>> atom, say) re-emits another photon. But not the same
>> photon, a new one.
>
>IIRC, photons, like most other subatomic particles, are indistinguishable
>from one another.

Yes, identical, but not the same.
--
Ian G8ILZ

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You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>Re: You use different lenses underwater because the speed of light is different =>

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