Page 30 - Dainfern Precinct Living 9 2020
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HUMOUR






         THE SHRINKAGE OF


         THE ARTIFICIAL BRAIN






          BY JAMES CLARKE




        Human brains                          arl Sagan said human        I am now seeking three people who would
                                                                          be happy to wire their ears up to mine
                                              intelligence depended on the
        have shrunk                    Ceach person’s brain.              and then think really hard so that we can
                                              amount of switching elements in
                                                                          generate the requisite amount of wattage.
        about 10 percent               Our brains are a mass of electrical   (Do you know how difficult it is to get three
                                                                          people to agree to this?)
        over the past                  microcircuits just like a computer, but   Just as real brain sizes are shrinking so
                                       each is capable of a vastly greater
        30 000 years.                  range of responses than a computer’s.   are artificial brain sizes. In the 1960s
                                                                          scientists worked out that a computer
                                       What intrigues me is that the neurons in
                                                                          similar in capacity to the human brain
                                       the brain (tiny cells that conduct nerve
        – New Scientist.               impulses) generate about 25 watts of   would need to be stored in a 100-storey
                                                                          building. It could do anything a human
                                       power.
                                                                          could do - even compose music and write
                                       I tried to demonstrate this to my   an essay. (Even so, I doubt it could tie its
                                       assembled family by screwing an electric   own shoelaces or tell me where I left my
                                       light bulb into my ear and darkening the   car keys.)
                                       room. I then forced the brain to work out
                                       the square of Eskom’s debt. There was a   By 1985 it was thought that an artificial
                                       distinct humming sound, yet, despite the   brain could be stored in only 12 storeys. In
                                       wattage building up between the ears,   the late 1990s it was down to two storeys
                                       not a glimmer of light came from the bulb.   and I predicted in my column that within a
                                       Maybe it was because I had a 100 watt   ‘decade or so’ science would be able to fit
                                       light bulb in my ear and one’s neurons can   this artificial brain into a matchbox.
                                       generate only 25 watts.
                                                                          We should, by now, have been able to
                                                                          replace our brains with little Far Eastern
                                                                          jobs assembled by child labour for R5,99
                                                                          including VAT. This would leave our
                                                                          craniums with at least 1200cc of vacant
                                                                          space.
                                                                          Note: I didn’t say ‘wasted’ space – I said
                                                                          vacant. Vacant because we could then
                                                                          have hinges fitted to our skull tops and
                                                                          use the space to carry our sandwiches
                                                                          or car keys. And what a boon it would
                                                                          be to nudists who, at last, would have
                                                                          somewhere comfortable to carry their
                                                                          loose change.
                                                                          Well science, where are they?

                                                                          YEAH, WHAT?
                                                                          Tony, aged four, was listening to a Bible
                                                                          story. His dad read, “The man named Lot
                                                                          was warned to take his wife and flee out of
                                                                          the city but his wife looked back and was
                                                                          turned to salt”.

                                                                          With a worried expression on his face,
                                                                          Tony asked: “What happened to the flea?”








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