1. The first microwave oven was built in 1945 by American Percy Spencer. Despite the controversies regarding whether it is healthy or not to use it, we must admit that our lives would be much harder without this appliance. There are over 200 million ovens in use worldwide.
2. Jazz is a rip-roaring genre of music that has crossed the American borders soon after it appeared. Although it is being played all around the world, jazz has something deeply American in it and it’s almost always associated with its U.S. roots.
3. The crash test dummy may seem like a frivolous invention, but in fact it was a game-changing point in the history of car making. In 1968, Samuel Alderson produced the first crash test dummy for the automobile industry. It is estimated that this invention has saved over 300.000 lives because it allowed constructors to design effective safety features.
4. The Crayola crayons were invented in 1903 in the U.S. and have become extremely popular worldwide.
5. Can you imagine driving without a GPS? We should thank the Americans for inventing this system, originally created for military use.
6. The Super Glue was invented by Harry Cooper, who was working as a chemist during World War II when he discovered this ultra-resistant adhesive. During the Vietnam War, the formula he had discovered was used to stop bleeding.
7. The bar code was introduced in 1949 by Bernard Silver, a graduate student at Drexel Institute of Technology in Philadelphia, and his friend Norman Joseph Woodland. It is estimated that 5 billion bar codes are being scanned every day.
8. The crown cork bottle cap was invented by William Painter in 1892 in Baltimore and is still highly used. The invention inspired King C. Gillette, while working as a salesman for the Cork Company, to invent the disposable razor.
9. The post-it-notes were invented by Spencer Silver, a scientist at 3M, and introduced in 1980. They have soon become popular worldwide, and are now one of the best-selling office products in the U.S. and in other countries as well.
10. The QWERTY keyboard was developed by Christopher Sholes, who also created the first practical typewriter.
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