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



dweeb wrote:

> Prometheus wrote:
>
>>It would seem 'not much',
>
>
> As demonstrated by this gem from you:
>
> "Light DOES travel at a lower speed through
> water than air "
>

Well it does, that's why you get refraction when you look into water. It
also travels at a different speed through glass, which makes lenses
possible.

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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 =>

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