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

On the 23 Apr 2006 18:46:58 -0700, "Dave Hillstrom"
<dave.hillstrom1@gmail.com> wrote:

>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.

You should really be posting this sort of material in
News:uk.local.isle-of-wight

This stuff will go down a treat.

Roger wrote:
>
> You should really be posting this sort of material in
> News:uk.local.isle-of-wight
>
> This stuff will go down a treat.

As if he needed encouragement!

groups adjusted.

--
John McWilliams