As soon as you have good mechanical technology, you can make things like backhoes that can dig holes in the road. But of course a backhoe can knock your head off. But you don't want to not develop a backhoe because it can knock your head off, that would be regarded as silly.
Geoffrey HintonI refuse to say anything beyond five years because I don't think we can see much beyond five years.
Geoffrey HintonIn science, you can say things that seem crazy, but in the long run they can turn out to be right. We can get really good evidence, and in the end the community will come around.
Geoffrey Hinton