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THIS "CORRECTION" IS NOT RIGHT:
In 1901, Giorgi demonstrated that the practical electrical units and the MKS mechanical units could be incorporated into a single coherent system by (1) selecting the meter, kilogram, and second as the base units for mechanical quantities; (2) expanding the number of base units to four, including one of an electrical nature; and (3) assigning physical dimensions to the permeability of free space 0,The previous character should be the Greek letter lower case epsilon with a subscript zero. Apparently the letter was lost and only the zero remained. When spoken, the symbol is usually pronounced "epsilon zero" or "epsilon sub-zero".
NO! That was not supposed to be epsilon sub-zero; it was supposed to be mu sub-zero.
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THE CORRECTION SHOULD HAVE BEEN THIS:
In 1901, Giorgi demonstrated that the practical electrical units and the MKS mechanical units could be incorporated into a single coherent system by (1) selecting the meter, kilogram, and second as the base units for mechanical quantities; (2) expanding the number of base units to four, including one of an electrical nature; and (3) assigning physical dimensions to the permeability of free space 0,The previous character should be the Greek letter lower case mu with a subscript zero. Apparently the letter was lost and only the zero remained. When spoken, the symbol is usually pronounced "mu zero" or "mu sub-zero".
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Damn, don't you just hate it when you correct somebody else and then make a mistake correcting the mistake?!!!
Regards,
Bill Hooper
