Re: The joy of FORTRAN

On Sun, 09 Mar 2025 16:51:04 GMT, Charlie Gibbs <cgibbs@kltpzyxm.invalid> wrote:

On 2025-03-09, c186282 <c186282@nnada.net> wrote:
>

   Contemplate how similar electrics and PLUMBING are  :-)
>
   Hmmmm ... betcha a 'hydraulic CPU' really could be made ...
>
   I did find something long back, the equiv of a 'hydraulic
   transformer' - high-pressure/low-volume to low-pressure/
   high volume. Likely the reverse is possible without too
   much complication. An oscillator using an air-chamber,
   the 'capacitor', and proper flow resistance to tune
   resonance freq and .......   :-)
>
   If I had to explain electrics to someone from the
   Roman empire days, I'd use plumbing analogies.

>
https://en.wikipedia.org/wiki/Fluidics

https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.2018.0372

"A brief history of liquid computers"

A random tidbit: "Illustration of the hydraulic method for extracting the nth
root of any number proposed by Arnold Emch in 1901."


Thomas Prufer