11854_solar_energy

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11854_solar_energy

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1990s

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Solar cells into solar power. A laboratory and office building that converts sunlight into electricity utilizes solar energy.

9231

1970s

Different technologies of cutting. Shots of electron gun cutting metal.…

9230

1970s

CU shuttle engines. A woman works on a shuttle miniature. People work on…

9027

1960s

CU on a hand wiring a cat whisker radio transistor. ECU on a rectifier…

11313

1970s

Commercial for Sylvania Blue Dot Magicubes disposable camera flashes;…