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Questions and Answers
Who transmitted the message 'What hath God wrought' using the electric telegraph in 1844?
Who transmitted the message 'What hath God wrought' using the electric telegraph in 1844?
Samuel Morse
Which scientist formulated the electromagnetic theory of light in 1864?
Which scientist formulated the electromagnetic theory of light in 1864?
James Clerk Maxwell
Who confirmed the existence of radio waves experimentally in 1887?
Who confirmed the existence of radio waves experimentally in 1887?
Heinrich Hertz
Who demonstrated wireless communication over a relatively short distance of 150 yards in 1894?
Who demonstrated wireless communication over a relatively short distance of 150 yards in 1894?
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Who conducted the first radio broadcast in 1906?
Who conducted the first radio broadcast in 1906?
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Who invented the superheterodyne radio receiver in 1918?
Who invented the superheterodyne radio receiver in 1918?
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What modulation scheme did Edwin H. Armstrong demonstrate in 1933?
What modulation scheme did Edwin H. Armstrong demonstrate in 1933?
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What type of code is Morse code?
What type of code is Morse code?
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Who demonstrated wireless communication over a long distance of 1700 miles in 1901?
Who demonstrated wireless communication over a long distance of 1700 miles in 1901?
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