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Re: Aquatic Plants Digest V3 #1151

Hello Hoa,

The air prewssure keeps the water in the "bridge" over the tank's

If one evecuates the air from the headspace and if the vertical columns
are _below_ the water surface, water will rise in the colums and
eventually fill the available space completely.

It DOES create an unusual effect!



> Date: Wed, 14 Jul 1999 08:53:58 -0700
> From: Hoa Nguyen <nguyenh at nosc_mil>
> Subject: Re: Bent Glass
> >From: "Shannon Wheeler" <swheeler at tnc_ab.ca>
> >Subject: Re: Bent Glass
> >
> >http://www.nwcatalog.com/flyingfish/lead.htm
> Amazing tanks!  I am puzzled though.  How can the water and fish stay in
> the tubes above the tank (in the Escher, King Arthur and Sentinel
> tanks)?  Is the tank top sealed tight?  If not, the only way I can see this
> happening is that the tubes are in series with a pump.  But how would the
> fish get in there then?  Has anyone seen one of these tanks?
> Hoa