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Hair Dryer
The hair dryer was invented in Germany. Hand held dryers were introduced by the US Racine Universal Motor Company (Wisconsin), and the Hamilton Beach Co. They were produced for the women and contained a hose within the exhaust of a vacum cleaner. After a smaller motor was added, the hair dryer became a popular appliance for women. -
Period: to
Inventions of the 1920s
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Artifical Life Begins
Robot was first used as a term to describe automated figures in a Czech play of 1921 entitled “The Robot Cometh”. The term robot was derived from the Czech phrase for “forced labor”. -
Absorption Refrigerator
The Absorption Refrigerator was first used for food storage in recreational vehicles and used to air condition buildings by using the waste heat provided by a gas turbine or a water heater. They are seen as a popular alternative from regular compressor refrigerators. -
Traffic Signal
Garrett Morgan patented a light signal in a T-Shaped pole with three light settings. Morgan originally invented a variation of the traffic light that eventually known as the yellow light. -
Table Salt
The first iodized table salt in the United States was released to be sold in Michigan. Salt was used to preserve and add flavor to your food. By fall of 1924, salt was sold all throughout the country -
Mechanical Television
The Mechanical television heavily relies on a mechanical scanning device, that involves a rotating disk with holes in it or a rotating mirror, to scan the scene and process the video signal. Each of the holes in the passing disk would produce a scan line that projects images to the lamp. -
Liquid Fueled Rockets
Robert Goddard launched the first flight test of a liquid-fuel rocket in Auburn, Massachusetts. The gasoline and liquid oxygen fueled rocket burned for around 20 seconds before taking off and rose to a height of 41 feet, reaching a top speed of 60 mph. -
Kool Aid (Kool Ade)
Kool Aid was invented by Edwin Perkins of Omaha, Nebraska. The original name of Kool Aid was "Fruit Smack”. Perkins was inspired to create this drink around age 11 while working in his father’s store. -
Penicillin
Penicillin was first discovered from a discarded Petri dish that Fleming had tossed aside. A day later, he went through the dishes to find mold in one of the substances that he tossed away and found potential in it becoming a “wonder drug”. -
Yo-Yo
The YoYo was invented by the greeks thousands of years before it became a popular fad in America. Pedro Flores, a Filipino Immigrant was responsible for manufacturing the toy and is known to be the first person who massed produced the YoYo’s.
