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Transcript of Thomas Edison
Major contributions to the field
Thomas Edison’s contribution to science was being an
Impact of those contributions nowadays
Great scientists change the world with their idea, Edison tried to let electricity popularity, tried to save the sound and every beautiful moment in our life.
1874: The Menlo Park was opened
1877: The first invention 'phonograph' made him famous
1878: Forming the Edison Electric Light Company in New York City.
“The – Wizard of Menlo Park”
“Genius is one percent inspiration, ninety-nine percent perspiration.“
Edison married 16-year-old Mary Stilwell
On Feb24,1886, at the age of 39, Edison married the 20-year-old Mina Miller
Edison developed hearing problem at an early age. Edison attributed the hearing impairment to being struck on the ears by a train conductor when his chemical laboratory in a boxcar caught fire.
Edison saved Jimmie Mackenzie from a runaway train. Jimmie's father was so grateful that he trained Edison as a telegraph operator.
Edison Effect or Thermionic Emission
The classical example of thermionic emission is the emission of electrons from a hot cathode, into a vacuum in a vacuum tube.
Edison was a 22-year-old telegraph operator when he received his first patent for a machine he called the electrographic vote-recorder.
Phonograph For Dolls or Other Toys
miniaturize the phonograph
insert it into a doll or other toy
giving the formerly inarticulate plaything a voice of its own.
Lecture: LPH221 - Philosophy of Science: 20th Century Views
Lecturer: Raquel Vasconcelos
Members: Benjamin, Cyril, Felix, Scottie, Yuki
1879: Demonstrated the incandescent light bulb on December 31
1880: Patented the first electric distribution system
1882: Opened the first investor-owned electric utility as the Pearl Street Station in New York City
1891: The motion picture camera
1892: The two-way telegraph
1893: The motion picture studio
1896: The movie projector
1908: The electric battery
1912: The commercial phonograph using Bakelite records
1920s: When he was in his late seventies, he became an experimental botanist and experimented with rubber plants that could grow in the United States.