asciilifeform: backpropagation is when you train the net by taking the errors and working backwards, 'punishing' the weights which produced it proportionately.
asciilifeform: except that electronics don't extend tendrils (cruddy euro lead-free solder excepted...)
asciilifeform: sorta how airplane became a thing when folks quit trying to flap wings.
asciilifeform: (it is interesting to consider how nn became useful only when it ~entirely~ dropped the pretense of biomimeticism - where in nature do you find backpropagation !!!???)
asciilifeform home in record time - because usg was closed, no cars...
asciilifeform: the bbc article, surprisingly, has the facts.
asciilifeform: go ahead and do it if you feel like it.
asciilifeform: BingoBoingo: unfortunately i haven't any time.
asciilifeform: he was the last remaining anybody who was somebody of that period, afaik.
asciilifeform: (inventor of neural network and cofounder of ai lab with j. mccarthy, for n00bz)
asciilifeform: echnology companies such as Google and Facebook getting involved the field of AI. "We have to get rid of the big companies and go back to giving support to individuals who have new ideas because attempting to commercialise existing things hasn't worked very well," he said.'
asciilifeform: 'But, in one of his last interviews, with MIT Technology Review last year, Prof Minsky said there had been "very little growth in artificial intelligence" in the past decade, adding current work had been "mostly attempting to improve systems that aren't very good and haven't improved much in two decades". By contrast, he said, "the 1950s and 1960s were wonderful - something new every week". And he hinted he was against large t
asciilifeform: maxwell described all of the equations which govern radio but never built one, did not give the slightest fuck
asciilifeform: e.g., otto lilienfeld drew the transistor, in agonizing detail, and even a more interesting type than actually produced (cupric oxide!) - but - as far as anyone knows - never built one
asciilifeform: the question of 'who was the first to put ' propaganda, semiconductor, coprophagia, etc. 'on a scientific footing' is interesting but not resolvable.
asciilifeform: TomServo: this is not every useful. it does not tell us what you pressed
asciilifeform: mircea_popescu: it happens to be the cleanest
asciilifeform: it is not visible in the photo, which is a shame, because it was the only reason i even tried to take the photo - the piston in the switch is pockmarked from many, many microwelds
asciilifeform: and survived many thousands of toggles
asciilifeform: BingoBoingo: this one is ancient, possibly older than i am