imitation game movie

[Mike Stein]

> Would we have developed ultra-fast recirculating 
> memory?

Now there's an idea (has it been tried?); the 
equivalent of an acoustic delay line memory using 
fiber optics...

m

----- Original Message ----- 
From: "Chuck Guzis" <cclist at sydex.com>
To: <General at classiccmp.org>; 
"Discussion at classiccmp.org:On-Topic and Off-Topic 
Posts" <cctalk at classiccmp.org>
Sent: Wednesday, February 11, 2015 1:38 AM
Subject: Re: imitation game movie


> On 02/10/2015 09:56 PM, Jon Elson wrote:
>
>> Oh, absolutely!  There was a lot of work on 
>> using ferrite rings as storage
>> and logic elements at that time, but Forrester 
>> and Papian really
>> extended what had been done before, and the 
>> coincident current
>> scheme was really ELEGANT and made large arrays 
>> of fast memory
>> practical.  The bigger you built the array, the 
>> more memory you got
>> with small increments in the number of drivers.
>
> Didn't coincident-current relays come before 
> that (as used, for example, in telephone 
> switching equipment)?  So the basic idea was 
> there.
>
> I've always been fascinated by magnetic core 
> logic; both using "hard" magnetics (e.g. Univac 
> SS) and "soft" (e.g. Parametrons).  I wonder if 
> magnetic core for memory hadn't been developed, 
> would we have developed electrostatic or some 
> other technology to the same density?
>
> Would we have developed ultra-fast recirculating 
> memory?
>
> --Chuck
>
>