The Ernie Wirtanen Interest Fund

2023-01-17T17:39:25+00:00August 3rd, 2012|Blog|

Ernie Wirtanen, who founded and ran Wirtanen Electric, a large electrical wholesale and equipment rental company in

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Solar Energy and Time

2023-01-17T17:39:39+00:00July 29th, 2012|Blog|

This is a charming example, in 12 frames, of the relative intensity of solar energy received by

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