discoveries Essay Option 1 An initially impractical scientific advance that was later found to have practical applications is the photoelectrical effect. In the late 19th century, it was discovered that matter could manikin angle and liberate electrically charged particles when it is irradiated by electromagnetic radiation. telecommunicate operator Joseph May observed that when exposed to sunlight, atomic number 34 exclude vary in resistance. From this discovery, the conclusion can be drawn that variations in light intensity can be transform into electrical signals—the foundation of television transmission.
In 1873, the acquaintance that changing light intensity could be translated into electronic signals was about useless. the States’s Reconstruction society was much less science-oriented, and lacked the resources to impart advantage of the new knowledge. European researchers in the field of stunt woman projection were exploring other (dead end) techniques. It was not until 193...If you want to get a full essay, order it on our website:
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