[ih] DNS origins?

[John Day]

The touch facility that we did in ’75 wasn’t on the screen but with infrared sensors (I think) around the edge of the screen.

Plato was using the plasma screens well before, we did that terminal. We just grabbed a few for that project.

John

> On Jun 10, 2021, at 02:58, Brian Carpenter via Internet-history <internet-history at elists.isoc.org> wrote:
> 
> Sure. My (unwritten) question was what flat-screen technology did they use?
> I suppose a plasma display was the only option then. The original touch
> screens invented at CERN by Stumpe in 1972/3 were based on CRT displays,
> but certainly plasma displays were known by then.
> 
> Regards,
>    Brian Carpenter
>    (via tiny screen & keyboard)
> 
> On Thu, 10 Jun 2021, 17:56 Timothy J. Salo via Internet-history, <
> internet-history at elists.isoc.org> wrote:
> 
>> On 6/9/2021 9:14 PM, Brian E Carpenter via Internet-history wrote:
>>> https://www.old-computers.com/museum/computer.asp?c=900 makes
>> interesting reading. It answers my first question: "...one of the first
>> graphic amber plasma flat screen."
>> 
>> I thought that the Plato terminal, circa 1964, was the first practical
>> plasma display.
>> 
>>   The first practical plasma video display was co-invented in 1964 at
>>   the University of Illinois at Urbana–Champaign by Donald Bitzer, H.
>>   Gene Slottow, and graduate student Robert Willson for the PLATO
>>   computer system.
>> 
>>   <https://en.wikipedia.org/wiki/Plasma_display>
>> 
>> Also,
>> 
>>   <https://en.wikipedia.org/wiki/PLATO_(computer_system)>
>> 
>>     And, even more off-topic:
>> 
>>       In August 2004, a version of PLATO corresponding to the final
>>       release from CDC was resurrected online. This version of PLATO
>>       runs on a free and open-source software emulation of the original
>>       CDC hardware called Desktop Cyber. ... Desktop Cyber accurately
>>       emulates in software a range of CDC Cyber mainframe models and
>>       many peripherals.
>> 
>>     o Now, I just need a nine-track tape drive to read my old tapes.
>> 
>>     o How much faster is my Raspberry Pi 4 (1.5 GHz clock, 8 GB memory)
>>       emulating a CDC 6600 (10 MHz clock, 982 KB memory)?
>> 
>> -tjs
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