10 American Inventions That Changed the World
From the mundane to the truly spectacular, numerous American inventions have changed the world. Here is a countdown of ten things invented by Americans that have become part of our everyday lives here and across the world.
10. If you find buttons quite a fuss as you dress up for work, then you have to thank Whitcomb L. Judson, an inventor from Chicago, for inventing the clasp locker, the zipper’s predecessor which was introduced in 1893. The modern design was made by Gideon Sundbäck in 1913, the head designer of the Universal Fastener Company launched by Judson.
9. Managing the traffic of pedestrians and vehicles at intersections would be nearly impossible without the help of the traffic light. The modern electric traffic light was invented in 1912 by Lester Wire, a policeman from Salt Lake City. It was originally just red and green, for stop and go respectively.
8. Now a common kitchen appliance, the microwave oven has become the irreplaceable gadget for cooking, thawing or reheating food, popping popcorn and making stews. The microwave was not originally intended for kitchen use until in 1945 when Percy Spencer, an engineer from Maine who was working on the magnetron for radar sets at Raytheon, found out that the microwaves had melted the chocolate in his pocket.
7. In the current campaign for the use of green energy, the use of light emitting diodes for lighting and image displays has increased because of the minimal energy it needs to produce light. The LED has come a long way from its initial use as an indicator light for electronic devices. It was developed in 1962 by Nick Holonyak Jr., a consulting scientist at General Electric Company in Syracuse, New York.
6. Quickly proving itself to be one of the most useful and controversial technologies of our time, stereolithography, or 3D printing, was invented by Chuck Hull, founder of 3D Systems. 3D printing seems to have endless...
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