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RE: dtds, schemas, xhtml, and multimedia technologies

  • To: 'Andrew Dubinsky' <andy@e...>
  • Subject: RE: dtds, schemas, xhtml, and multimedia technologies
  • From: "Bullard, Claude L (Len)" <clbullar@i...>
  • Date: Fri, 15 Nov 2002 09:49:07 -0600
  • Cc: xml-dev@l...

why did tesla choose 60hz
Correct me if I have this story wrong. 
As I recall from the History Channel, 
it was Edison who was pushing DC.   He fired 
an employee, Nikola Tesla, who was championing 
AC (actually invented it).  Tesla went to Westinghouse 
and I think it was Westinghouse who made AC a 
working proposition.   It was discovered in 
implementation that DC simply didn't scale 
and that AC could be pushed down the lines 
with fewer plants at lower costs.   

Implementation proved the point.

len


From: Andrew Dubinsky [mailto:andy@e...]

>the fact that my wall outlet provides 110V at 60Hz.
>that's a standard.  that my bicycle wheels are 700mm.

Just FYI, a tiny little company called General Electric created that
standard at the behest of an employee named Thomas Edison. GE choose AC and
pushed that. After the AC / DC argument was won, it became a standard.

I have noticed that industry standardization and official standards are
easily confused. Often companies need a standardized product more than an
Official Seal of Approval (sic).

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