> I'd argue that the low-hanging fruit of science has been picked. I think people always believe that, and people 20 years from now will think the same about t

> I'd argue that the low-hanging fruit of science has been picked. I think people always believe that, and people 20 years from now will think the same about today's time. That's because hindsight is always 20/20, as they say. It is difficult to come to terms with the fact that things that seem very simple and obvious might've taken a colossal effort to come up with.