The Dangers of Nanotech
Krees writes "Small Times talked with the Foresight Institute's Christine Peterson, Ralph Merkle of Zyvex, and Ray McLaughlin of Carbon Nanotechnologies about the potential of nanotechnology, which has benefited greatly from open source research methods, and nanotech weapons in particular falling into the wrong hands. Recent recognition of potential abuses will likely lead to incrased secrecy in nanotech research." This topic comes up every so often - what happens when nanotech falls into the wrong hands? I think that's a "when", not an "if", as that happens with almost everything.
It looks like everyone has already brought up the point that the danger in putting a "self-destruct" mechanism in a nanite. With millions or billions of nanites, even if the odds of one of them surviving that self-destruction are one in a million, those odds are too high. And if that nanite is designed to construct other nanites (or, worst case, copies of itself) then you have a problem on your hands.
If nanotechnology ever reaches the total control of matter, self-replicating machine, Diamond Age "Seed" level (I don't have enough information to argue either way, but it seems to me that it'd be easier to create macroscopic Von Neumann machines than microscopic ones, and we haven't even done that yet) we're going to need more protection than a self destruct mechanism.
What I'd like to see, in a world swarming with potential nanotech viruses, is an analogous nanotech immune system to take care of them, nanites which can be set to recognize and rip apart other nanites which meet certain parameters. Got a rogue oil-spill cleaning nanite ripping up asphalt in San Francisco? Get the standby security nanites in Oakland to kill it.
There was an interview with a somewhat apocalyptic tech giant (a veep at Sun? I forget) who believed that the ever increasing technological power available to humanity (nanotech, biotech, and AI being three examples I remember) would cause the world to be ripped apart by terrorism in the coming century. He likened it to an airplane in which every passenger had a "Crash" button in front of their seat, and only one psycho was necessary to bring everyone down with him.
I don't think it will be that way. With nanotechnology specifically, if our available defenses are kept up to the level that our potential offenses would require, then having a small set of nanites go rogue wouldn't be a concern; they would be overwhelmed by their surroundings. Going back to that analogy, if everybody had a "Crash" button in front of their airplane seat, but the plane was guaranteed to survive unless 50% of the passengers voted to crash, that would be the safest flight in history.
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