🚀 go-pugleaf

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:
>> On Sun, 18 Feb 2018 23:02:53 +0000, Gareth's Downstairs Computer
>> <headstone255.but.n...@yahoo.com> wrote:
>> 
>>> I wonder if there are any electronic implementations
>>> of a Turing Machine, especially one that allows
>>> for state machine realisation to control it?
>>>
>>> One of the intriguing limitations of such machines
>>> is that any problem that cannot be solved will result
>>> in a failure of the machine to halt, but that does not
>>> gel with the human brain for we can determine that
>>> a problem is insoluble and yet our brains do not halt!
>> 
>>       You might be interested in this:
>>            https://www.youtube.com/watch?v=vo8izCKHiF0
>>            Mechanical Turing Machine in Wood
>
>WOW!
>
>Bookmarked to watch again and again!

     I am glad you liked it.

>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.)

Sincerely,

Gene Wirchenko