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NNTP-Posting-Date: Thu, 27 Mar 2025 07:40:11 +0000
Subject: Re: The joy of FORTRAN
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From: c186282 <c186282@nnada.net>
Date: Thu, 27 Mar 2025 03:39:52 -0400
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On 3/26/25 12:56 PM, rbowman wrote:
> On Tue, 25 Mar 2025 23:58:16 -0400, c186282 wrote:
> 
>> On 3/25/25 9:52 PM, rbowman wrote:
>>> On Tue, 25 Mar 2025 07:54:49 -0400, c186282 wrote:
>>>
>>>>      Good stuff ... but it is, what would you call it ... 'active',
>>>>      'class-a', fluidic logic. Seems to require a constant flow thru
>>>>      the specially-designed chamber. For a full CPU we'd be talking a
>>>>      huge amount of water flow.
>>>
>>> Not all fluids are water.
>>
>>     Of COURSE they are ... HYDraulics !!!  :-)
> 
> Obviously you need to sign up for Fluid Dynamics 201.
> 
> 
>>     Some kind of light oil may have been the better choice ... but not
>>     TOO thick.
> 
> You must have skipped the article. When you're talking about a system
> where 1 is represented by a vacuum and 0 as atmospheric pressure, you're
> not talking about light oil.

   Vac or not ... sounds more like 'gas' stuff  :-)

   "Fluidic elements" - posted maybe by you - seem to
   involve a tiny flow chamber where you can form one
   or another kind of vortex. One spiral yields '1's,
   the other '0-s', on the output port. Interesting.

   There are, of course, other ways to do 'hydraulic logic'.
   However the 'no valves/pistons/etc' trick seems extra cool.

   STILL wondering what might be done with non-Newtonian
   fluids .......... VELOCITY becomes part of the
   design equation. Think (do they have it where you
   are ?) "Silly Putty". Flows like a fluid if you
   leave it sit, but seriously hardens-up if you try
   to shape it suddenly. Some water/starch mixes act
   the same.