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        The Electromagnetic Spectrum: NASA

        Few of us ever consider the similarity of light and radio waves, nor do we think of them in terms of radiation. In fact, visible light and radio waves make up part of a large category of radiation that physicists call electromagnetic waves. This video segment from NASA explores the electromagnetic waves that constitute the electromagnetic spectrum, comparing the different types of electromagnetic waves and explaining how each type of radiation affects our daily lives.

        This video is available in both English and Spanish audio, along with corresponding closed captions.

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