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Re: [AVR-Chat] Re: water level meter

2009-05-15 by David VanHorn

On Thu, May 14, 2009 at 11:37 PM, dlc <dlc@frii.com> wrote:
> Ahem,
>
>   Water density is a constant, water _pressure_ increases with depth,
> and if the ball acts the way my BC does, the air in the plastic ball
> loses buoyancy as the water depth increases.  But since my BC compresses
> with depth and the plastic ball probably wouldn't, that might not be so.
>  These are basics every diver learns.

So the effect is smaller, and the slope runs the other way, but it still works.
:)

Submarines compress, I imagine a plastic ball will too.


-- 
There is no computer problem which cannot be solved by proper
application of a sufficiently large hammer.

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