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Traffic Light
The traffic light was invented by William Potts as a way to direct traffic at 4 way stops. -
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Inventions
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Hair Dryer
The first real Hair Dryer was invented by Alexandrea Godefoy. It was extremely large and used too dry your hair. -
Q-tips
Q-tips were invented By Leo Gerstenzang and his wife to clean their babies ears. It was originally a tooth pic with a cotton ball on the end. -
Band-Aid
The Band-Aid was invented by Earle Dickson for his addicent prone wife. It was a piece of tape with a gauze in the middle. -
Lie Decter
The Lie detector was invented by John Larson for police interrogation and investigation. It would read and record peoples diffrent body responses. -
Electric blender
Stephen Poplawski invented the blender to mix food and beverage items together with a small blade at the bottom of a container. -
3-D Movies
The Lumière brothers experimented with three-dimensional images using two films painted in red and blue colors and projected simultaneously onto the screen. -
Frozen Food
Frozen food was invented by Clarence Birdseye with her quick freezing method. -
Bulldozer
James Cummings and J. Earl Mcleod invented the Bulldozer, and it was first called a caterpiller. It was used fro construction and demolition. -
Loudspeaker
The loudspeaker was invented by Chester W Rice and Edward Washburn Kellogg as a way to make people be heard from diffrent locations. -
Pop-Up Toaster
Charles P. Strite invented the pop up toaster as a way to toast bread. -
Kool-Aid
Kool-Aid was invented by Edwin Perkins. It was a flavored powder added to water to make a floavored drink. -
Bread Slicer
The bread slicer was invented Otto Frederick Rohwedder, it was used to mechanically slice bread. -
Aerosol Can
The aerosol can was invented by Erik Rotheim that could hold and despense products. -
Penicillin
Penicillin was invented by scientist Sir Alexander Fleming after studying bacteria. It is now a popular antibiotic given by doctors. -
Electric Shaver
The electric shaver was invented by Jacob Schick as a way faster way for men to shave. -
Iron Lung
The Iron Lung was invented by Harvard medical researchers Philip Drinker and Louis Agassiz Shaw. It is an airtight metal tank that encloses all of the body except the head and forces the lungs to inhale and exhale through regulated changes in air pressure. -
Car Radio
The car radio was invented by William Lear and Elmer Wavering. It was a way to take your radio anywhere in your car.