🚀 go-pugleaf

On 2018-02-21, JimP <solo...@gmail.com> wrote:
> On 21 Feb 2018 21:02:43 GMT, maus <ma...@mail.com> wrote:
>
>>On 2018-02-21, JimP <solo...@gmail.com> wrote:
>>> On Wed, 21 Feb 2018 10:11:05 -0800, Michael LeVine
>>><mlevine...@redshift.com> wrote:
>>>
>>>>On 2018-02-21 17:48:34 +0000, Gene Wirchenko said:
>>>>
>>>>> On 21 Feb 2018 11:13:54 GMT, maus <ma...@mail.com> wrote:
>>>>> 
>>>>>> On 2018-02-20, Gene Wirchenko <ge...@telus.net> wrote:
>>>>>>> On Mon, 19 Feb 2018 09:11:12 +0000, Gareth's Downstairs Computer
>>>>>>> <headstone255.but.n...@yahoo.com> wrote:
>>>>>>> 
>>>>>>>> On 19/02/2018 07:26, Gene Wirchenko wrote:
>>>>>>> 
>>>>>>>> Not enough description of the state machine, though, for
>>>>>>>> each state need to know action if 1 or 0 read, whether to
>>>>>>>> write back 1 or 0, and next state whether 1 or 0 read.
>>>>>>>> 
>>>>>>>> It is particularly fascinating that a Turing Machine could
>>>>>>>> have been built with the technology available at the time
>>>>>>>> it was first postualted (1935?)
>>>>>>> 
>>>>>>> I do not think that that is that notable.  The machine could have
>>>>>>> been made back in Babbage's time.  (Too bad Babbage did not come up
>>>>>>> with something more immediately practical.)
>>>>> 
>>>>>> AFAIhaveread, the problem was that it not possible to machine parts to
>>>>>> the limits that Babbage's machines needed, at that time.
>>>>> 
>>>>>      I was thinking of that plus that Babbage did not get something
>>>>> practical going.  That might have helped get mechanical computing
>>>>> going big.
>>>>> 
>>>>> Sincerely,
>>>>> 
>>>>> Gene Wirchenko
>>>>
>>>>His difference engine was built tothe same tolerance's that were 
>>>>available in his time,
>>>>and it worked as designed.
>>>>https://www.youtube.com/watch?v=be1EM3gQkAY
>>>>https://www.youtube.com/watch?v=BlbQsKpq3Ak
>>>
>>> The antikythera mechanism was built to very tight tolerances and
>>> worked.
>>
>>CITE:?
>>
>>What was it for?
>
> I had no idea anyone in here didn't know what the anikythera mechanism
> was.
>
> http://antikythera-mechanism.gr/
>
> http://www.antikythera-mechanism.com/
>
> https://www.smithsonianmag.com/history/decoding-antikythera-mechanism-first-computer-180953979/
>
> https://www.livescience.com/1166-scientists-unravel-mystery-ancient-greek-machine.html
>
> And likely at least 50 more.


-- 
greymaus.ireland.ie
Just_Another_Grumpy_Old_Man