21:08 - 22:11
1m 3s
Dr. C's windmill set-up runs into some problems, when she realizes that it is producing electricity at such an accelerated rate. Mike uses what he learned from Phil's story of applying differently sized wheels to help her out.
Video Transcript
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Ivanna explains how using differently sized wheels can contribute to the power that can be used in their wind turbine.
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In the beginning of the 1920s, incomes were up and exciting new products were being purchased and enjoyed. However, the end of the 1920s would indicate that Hard Times were coming which was the The Great Depression history.