The invention of the automobile helped encourage tourism in the US and in Europe. Later the use of the car expanded to the entire world.
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The cotton gin made by Eli Whitney
Radar-1922 Recoder-1927
In 1920, one of the most important technological advancements was in the form of a robot invention. Another advancement regarded the invention of the Lie Detector by John Larson.
Very much so. Tourism is one of Australia's major industries. Australia has a fantastic range of tourism sites, adventures and experiences. Tourism is strongly encouraged, and advertising is aimed both locally and overseas.
Before 1920 you only washed your hair once a week anyway, so people just let it dry on its own.
By the 1920's the automobile had already been around 25 or more years.
Movies, Jazz singers, newspapers, magazines, radio. etc
One way that tourism has changed is because of the improved technology, for example, the invention of airplanes has made it easier for people to travel, furthermore, flights are cheaper and more people are able to afford holidays abroad.
Eli Whitney Add me on Steam I am Cry_Iceion ;)
The invention that changed the oil industry was the internal combustion engine in the use of automobiles. In 1900 there were about 8,000 registered vehicles. in 1920. there were 23 million cars. Gasoline was needed to fill them all.