Modern Tube computing

From: der Mouse <mouse_at_Rodents.Montreal.QC.CA>
Date: Wed Jan 21 16:09:47 2004

> [...soap films...]
> Anyway, one configuration of pins had 2 stable forms of the soap
> film, and could be switched from one to the other by gently blowing
> on it.

Four pins at the corners of a square is a good example. You get a
structure of five pieces of film, one horizontal or veritcal through
the centre of the square, the others joining the first to the corners,
the parts meeting at 120? angles. By blowing on it horizontally or
vertically you can flip the flop into the other state.

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Received on Wed Jan 21 2004 - 16:09:47 GMT