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



alex wrote:
> "Dave Hillstrom" wrote in message
> news:1145843218.216398.119160@i39g2000cwa.googlegroups.com...
>
>>You can't use regular lenses underwater, that's why you always see
>>special cameras on ocean documentaries and such. People think it's
>>because they need to be waterproof but the real reason is the speed of
>>light underwater is different than in air and it makes the light bend
>>at different angles through the lenses.
>>Einstein proved it.
>>
>
> Someone wasn't concentrating in Physics at school...
>
>
But he majored in Trollery, flunked out, and finally enrolled in the
local trade school to learn kookery. His advisor has told him that once
he graduates from kook school, he might again aspire to become a Troll.
Physics wasn't even on the radar.

Let's hope and pray. Quantity is no substitute for quality!


--
John McWilliams

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