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View Diary: Something to take your mind off indictments: Windfarm blogging (169 comments)

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  •  Nah (none)
    DC has lower line losses than AC.  It's just that in the early days, no one knew how to get high voltage DC and high voltage AC was easy.
    •  Power Lines (none)
      There are some problems with long distance high voltage lines.  If I remember correctly, they tend to use ultra-high voltage and there are some field effects that can possibly result in health problems for people and animals living under or near them.  Also, you need to ground everything within the field or else you can get seriously shocked.

      Buckminster Fuller suggested a few decades ago that there should be a circum-polar grid to connect the most heavily electrified areas in the world and allow "wheeling" electricity from Europe, through Russia, to the USA.  It could become the basis for a world-wide grid and provide back-up power capability anywhere (as long as the proper fail-safes were built in with triple redundancy).

      Solar is Civil Defense

      by gmoke on Tue Oct 18, 2005 at 09:28:45 PM PDT

      [ Parent ]

      •  Urban legend (none)
        There is no evidence that the electro magnetic fields generated by high voltage power lines cause cancer or are dangerous in any way.

        There was a study in holland, I think, that suggested that children going to schools near high power lines have a 1 in a million chance of getting cancer.

        The public was so pissed they were going to close all the schools close to the lines and bus the children to other schools.

        Until someone mentioned that when the child gets onto the bus, there is a 1 in 1000 chance the child will die from an accident.

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