Unit One Text A Alfred Nobel-A Man of Contrasts Text B He Led a Useful Life Unit Two Text A Alexander Graham Bell Texb B The Laser Unit Three Text A Oxidation Text B Radar Unit Four Text A This is M.I.T Text B Educational Resources at M.I.T Unit Five Text A Water Supplies-A Growing Problem Text B The Great Changes of the Surface of the Earth Unit Six Text A What Is Artificaial Intelligence? Text B Science and the Future Unit Seven Text A Selecting a Personal Computer System Text B Multimedia Unit Eight Text A Database Text B Computer Viruses Unit Nine Text A Introdction to Control Engineering Text B Applications of Automatic Control Unit Ten Text A What Is Electricity? Text B Electricty and Electronics Unit Eleven Text A Electric Power System Text B Electric System Monitoring Unit Twelve Text A Hydro-electric Power Text B Direct Current Generators and Motors Unit Thirteen Text A How a Coal-fired Power Plant Works Text B Fossil-fuel Boliders for Electric Utilities Unit Fourteen Text A Nuclear Power Plants Text B Solar Energy Unit Fifteen Text A Electric Power Substatons and Transformers Text B Computers and the Electric Power Industry
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