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"The Arrival of the "Electrical Age"" The Second Industrial Revolution PPT Courseware 4
The arrival of an "electrical age"
Hallmark: Widespread use of electricity (1870s)
The invention of "two machines"
production area
Replace "steam" and become the main power of the machine
life area
The emergence of new communication tools
New means of transportation: tram
The invention of household appliances
2. Edison, the “King of Inventions”
Large number of inventions: 1,300 officially registered
Famous inventions include: the phonograph, the kinetoscope, the electric light, the telegraph, the telephone, the first practical typewriter,
His greatest invention: the electric light (successfully developed a durable carbon filament bulb in 1879)
In his later years, he once said: "I have been researching electric lights for the longest time and the experiments are the most difficult, but I have never been discouraged."
On January 27, Edison wrote in his diary: "After 7 hours of work, my eyes hurt from looking at the strong light, so I had to stop working." The next day he continued to write: "From 10 o'clock last night to 4 o'clock this morning, my eyes hurt uncomfortably. I drank a dose of morphine and was able to sleep peacefully. It was better today, and the pain was no longer severe by 4 o'clock in the afternoon, but today's time was wasted again."
evaluate
People spoke highly of Edison: Greek mythology says that Prometheus stole fire from heaven to mankind; but Edison brought light to mankind.
When Edison's colleague and deputy director of the Central Electric Company, Morrison, talked about Edison's achievements with a reporter named Weir, he said: "We call Edison a great man, an outstanding inventor, and an astonishing genius. , that is an easy thing, there is no doubt that he is one of the most useful people in the world - his achievements have affected the lives of tens of millions of people more than any person alive now."
What's the secret to success?
A curious heart, an instinct for personal experimentation, infinite energy and determination beyond ordinary people's hard work.
His hard work and creative talent as well as collective strength.
Keen observation, rich imagination, active creative thinking.
3. The advent of automobiles and airplanes
New power for transportation: internal combustion engine
Germany's Karl Benz - the father of the automobile
The Wright brothers of the United States - invented the airplane in 1903
Mr. Karl Benz is one of the pioneers of the world's automobile industry (1844-1929). He is the founder of the German Benz Motor Company and is known as the "originator of the automobile."
Comparison of the two industrial revolutions:
The first time Britain took the lead, the second time several countries started at the same time, with Virtue at the forefront. The two countries came from behind and overtook the UK.
Combining natural science theory with industrial production.
New technologies and inventions are widespread and developing rapidly.
Humanity's material life has been greatly improved.
Enlightenment:
Science and technology are huge productive forces
Science and technology are the driving force for social progress
The innovative spirit of scientists is admirable
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"The Arrival of the "Electrical Age"" The Second Industrial Revolution PPT Courseware 3:
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