Forecasting the Next 20 Years in Space: The New Race to Space Bruce Cordell, Ph.D. 2008.9.11 21stCenturyWaves.com.
Technology in the Classroom Past & Present. What is technology? technology: (n) applied science; or: a technical method of achieving a practical purpose.
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Topic 1 : Magnetic Concept and Transformer. Introduction Two winding transformers Construction and principles Equivalent circuit Determination.