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rhinoceros
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Game-playing DNA computer
« on: 2003-08-19 20:38:33 » |
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First game-playing DNA computer revealed
New Scientist, 18 August 2003
http://www.newscientist.com/news/news.jsp?id=ns99994063
The first game-playing DNA computer has been revealed - an enzyme-powered tic-tac-toe machine that cannot be beaten.
The human player makes his or her moves by dropping DNA into 3 by 3 square of wells that make up the board. The device then uses a complex mixture of DNA enzymes to determine where it should place its nought or cross, and signals its move with a green glow.
The device, dubbed MAYA, was developed by Milan Stojanovic, at Columbia University in New York, and Darko Stefanovic, at the University of New Mexico in Albuquerque. Kobi Benenson, who works on other DNA approaches at the Weizmann Institute in Israel, says the work demonstrates the most complex use of molecules as logic gates to date, and "represents a significant advance in DNA computing."
More complex computational tasks than noughts and crosses could be tackled with different arrangements of the enzymes. But the pair acknowledge that the approach will never rival silicon computers, because human action is needed to operate the gates in system and it is not reusable.
"It's lovely work," says Peter Bentley, a computer scientist linked to University College London. But he notes that a system that cannot be extended much further than playing tic-tac-toe "is merely a novelty". Stojanovic and Stefanovic are aware of this and are now focusing on developing simple decision-making solutions that can operate in vivo. Molecules could, for example, assess faults in a living cell and then either kill or repair it.
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Pedro
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Re:Game-playing DNA computer
« Reply #1 on: 2003-08-20 01:20:27 » |
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Wow..it really is remarkable with what scientists can do today. Its also makes you wonder...do you think machines will take over someday?
Thanks for sharing that. 
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billroh@churchofvirus.com
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Re: virus: Re:Game-playing DNA computer
« Reply #2 on: 2003-08-20 01:46:24 » |
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Co-exist is my guess at the most likely end, but not anytime soon. Do
you think they would take over? And when you say take over, do you mean
kill us all, enslave us, or simply do everything for us while we decay?
Bill Roh
Pedro wrote:
>Wow..it really is remarkable with what scientists can do today. Its also makes you wonder...do you think machines will take over someday?
>
>Thanks for sharing that.
>
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Pedro
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Re: virus: Re:Game-playing DNA computer
« Reply #3 on: 2003-08-20 11:12:15 » |
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Oh yeah, let me clear that up. What I meant by "take over" was that I think that if scientists continue making computers and robots at such an advanced level, then once day the computers and robots may enslave us. I think that they may get so out of hand that they will take over the human race and enslave us.
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billroh@churchofvirus.com
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Re: virus: Re:Game-playing DNA computer
« Reply #4 on: 2003-08-20 11:36:51 » |
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I tend to think of machine intelligence as being akin to a child. We
will find out what kind of parents we reallly are when we develope such
machines by how they act. I hope we "raise" them well. I doubt we would
be enslaved as I doubt we could be as good of workers as intelligent
machines anyway. My guess is that many machines will be part of family
units. Many more will be corporate employees. It'll be an interesting
day the first day that a machine is goes to court to defend it's "rights".
Bill
Pedro B wrote:
>Oh yeah, let me clear that up. What I meant by "take over" was that I think that if scientists continue making computers and robots at such an advanced level, then once day the computers and robots may enslave us. I think that they may get so out of hand that they will take over the human race and enslave us.
>
>-------------
>Pedro Bryant
>E-Mail- gothicbob@neovampire.com
>ICQ- #171559465
>Journal- www.kittiekat.tk
>Website- www.karrot-x.net/mfkrfan
>
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