Question

discuss about 20th century american technology?

Answer 1

◆ There are many technologies that were invented and used in 20th century in America like:-

1) Communications

The spectacular transport revolution of the 20th century was achieved and communications revolution quite as dramatic. Although most of the significant changes—such as the typewriter, the Linotype, and the high-speed power-driven rotary press 20th century.

2) Fuel and power

There were no fundamental innovations in power before 1945, but there were significant developments in techniques are achieved in this 20th century which gives a rise to American economy.

3) Gas-turbine engine

The principle of the gas turbine is that of compressing and burning air and fuel in a combustion chamber that mainly invented in 20th century.

In the turbopropeller form, which developed after World War II, exhaust drives a shaft carrying a normal airscrew that is called as propeller.

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