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From: news@santra.UUCP (news)
Newsgroups: comp.arch
Subject: Re: An old fashioned memory technology, CRT's, how'd they work?
Message-ID: <6700@santra.UUCP>
Date: Wed, 15-Jul-87 03:25:31 EDT
Article-I.D.: santra.6700
Posted: Wed Jul 15 03:25:31 1987
Date-Received: Fri, 17-Jul-87 06:47:48 EDT
References: <602@madvax.UUCP>
Reply-To: jku@kolvi.UUCP (Juha Kuusama)
Organization: Helsinki University of Technology, Finland
Lines: 10

In article <602@madvax.UUCP> cw@madvax.UUCP (Carl Weidling) writes:
 ...
>...  how this [ CRT tubes ] can be memory.  How long did the charges
>last?  were they refreshed? How was the memory read after being stored?
>Carl Weidling

I once had a tube where characters were visible for several seconds after
the screen was blanked...

Juha Kuusama, jku@kolvi ( ...!mcvax!enea!tut!kolvi!jku )