Subject:
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Re: LEGO data drive
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 18 Jul 1999 22:06:51 GMT
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Viewed:
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1103 times
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A nifty looking device, but I don't see how it meets the requirements of a
Turing machine.
"The language of the machine consists from some simple instructions like: L-
for moving the head to the left, R- for moving the head to the right, the
"symbols"- for writing the symbols on the tape and the "variables"- for
writing the variables." (http://www.glissando.net/vturing/)
I don't see a mechanism in the robot that'll write or erase just one bit.
The motor on C would seem to twiddle the bricks, but that impacts the entire
stream.
Am I missing something?
JK
Michael Ebstein <lego-robotics@crynwr.com> wrote in message
news:001201bed134$856efaa0$9b9966d8@pacbell.net...
> Thanks! Actually, It may have been done:
> http://member.nifty.ne.jp/mindstorms/Gallery/K025.html. I wish I could • read
> Japanese!
>
> Michael
>
> ----- Original Message -----
> > This is a COOL little project...I wonder how long it will be before
> > someone comes up with an RCX simulation of a Turing machine...Ben??
>
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
>
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Message has 2 Replies:
 | | Re: LEGO data drive
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| Looks as if the bricks can take either of two positions and then all it would need is a sensor (light sensor perhaps) to "read" and the software to process-- nifty. -- Richard Clemens Associate Professor Computer Science Department West Virginia (...) (25 years ago, 19-Jul-99, to lugnet.robotics)
| | | RE: LEGO data drive
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| (...) I never said it WAS a Turing machine, I asked how long before someone actually BUILDS a Turing machine using the RCX.... Now that I have a couple of rotation sensors, the time does seem ripe. Cheers, Ralph Hempel - P.Eng ---...--- Check out (...) (25 years ago, 19-Jul-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: LEGO data drive
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| Thanks! Actually, It may have been done: (URL) I wish I could read Japanese! Michael ----- Original Message ----- (...) -- Did you check the web site first?: (URL) (25 years ago, 18-Jul-99, to lugnet.robotics)
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