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Cyan comments on Open Thread, November 1 - 7, 2013 - Less Wrong Discussion
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Can someone explain nanotech enthusiasm to me? Like, I get that nanotech is one of the sci-fi technologies that's actually physics-compliant, and furthermore it should be possible because biology.
But I get the impression that among transhumanist types slightly older than me, there's a widespread expectation that it will lead to absolutely magical things on the scale of decades, and I don't get where that comes from, even after picking up Engines of Creation.
I'm thinking of, e.g. Eliezer talking about how he wanted to design nanotechnology before he got into AI, or how he casually mentions nanotechnology as being one of the big ways a super-intelligent AI could take over the world. I always feel totally mystified when I come across something like that, like it's a major gulf between me and slightly older nerds.
An analogy might help give a sense of scale here. This isn't an argument, but it hints at the scope of the unknown unknowns in nanotech space. Here on our macroscopic scale, some wonders wrought by evolution include the smasher mantis shrimp's kinetic attack, a bee hive's eusocial organization, the peregrine falcon's flight speed, and the eagle's visual system. But evolution is literally mindless -- by actually knowing how to do things, human engineering created electromagnetic railguns, networks of international trade, the SR-71 Blackbird, and the Hubble telescope. Now apply that kind of thinking to "because biology" on the nano scale...