It seems that between 1920 and 1970, there was much more progress in physics, computer science, biology, psychiatry, psychology, aerospace and space engineering, education than there was in the last fifty years. Something broke.
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What's 100% under this measure?
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I think Henk Poley believes that we have achieved 80% of what a human technological civilization can hope for. (My own guess is that we stalled at less than 5%, and pessimism is my second name.)
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Yes every elderly person will tell you the world is changing faster than it used to. But agree, we need more original ideas and thinking. Keep it up Joscha
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