The impact of Thomas Edison and Nichol Tesla' s innovations is inevitable on the daily life of the mankind. I am astonished why they are not among the Nobel laurates in early decades of twenty century (2010-2020)!
List of Edison's inventions:
Edison was a prolific inventor, holding 1,093 US patents in his name, as well as many patents in the United Kingdom, France, and Germany. More significant than the number of Edison's patents was the widespread impact of his inventions: electric light and power utilities, sound recording, and motion pictures all established major new industries world-wide. Edison's inventions contributed to mass communication and, in particular, telecommunications. These included a stock ticker, a mechanical vote recorder, a battery for an electric car, electrical power, recorded music and motion pictures.
List of Tesla's Inventions:
Alternating current, high-voltage, high-frequency power experiments, induction motor,
Rotating magnetic field, Tesla coil and radio remote control vehicle (torpedo).
Exactly, the fabrication of blue LED in 21 century is similar to the fabrication of incandescent lamp in early 20 century!!
I believe that the importance of technology has been frequently revealed during the recent decades . This attests that the applied science in practice is much more fruitful for the mankind than pure science without carrying out directional experiments.
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