No major discoveries since the 70's? I think that's just hindsight speaking. It's easier to decide that something was a major discovery after you know how it ch

No major discoveries since the 70's? I think that's just hindsight speaking. It's easier to decide that something was a major discovery after you know how it changed history. Blockchains are one that I would present. I'm sure experts in other fields would have examples from their worlds as well. We just haven't had time yet to appreciate how dramatic some of the discoveries are going to be.