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



On 2006-04-24 17:27:28 -0400, "alex" said:

>
> "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...

No, I think someone didn't actually TAKE Physics in school.
--
Michael | "He's dead, Jim."


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