Page 46 - INTRA MUROS November 2020
P. 46

HUMOUR
















































             The shrinkage of the artificial brain



                                                   By James Clarke

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



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