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Hair Dryer
The hair dryer was invented in Germany by a woman who put a hose in a vaccum cleaner. -
Band-Aid
Invented by Earle Dickinson. He created this because his wife was always cutting her fingers in the kitchen. -
3-D Movie
The first 3-D movie (spectacles with one red and one green lens) is released. The first 3-D movies used anaglyphs to produce the 3-D images.To ensure that their left and right eyes saw the appropriate images, viewers of anaglyph movies had to wear special spectacles with one red and one green (later, cyan) lens to watch the 3D films -
Q-Tips
Invented by Leo Gerstenzang's wife, but he put it on the market. It was originally called Baby Gays. -
Lie Detector
A polygraph, or lie detector, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions. The belief underpinning the use of the polygraph is that deceptive answers will produce physiological responses that can be differentiated from those associated with non-deceptive answers. -
First Robot
the first robot is built. A robot by definition is "an automatic device that performs functions normally ascribed to humans or a machine in the form of a human." -
Radar (Radio Detection and Ranging)
Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio waves or microwaves that bounce off any object in their path. -
Television
The television or iconoscope (cathode-ray tube) is invented by Vladimir Kosma Zworykin. -
Dynamic Loudspeaker
The dynamic loudspeaker invented by Rice and Kellogg. -
Mechanical Television
A television system that relied on a mechanical scanning device when generating or displaying the video signal. The signal itself was purely electronic and could be transmitted by radio or over a wire. -
Liquid-Fueled Rockets
Robert H. Goddard invents liquid-fueled rockets. -
Kool-Aid
Kool-Aid was invented by Edwin Perkins. The original name of it was Fruit Smack.. -
Bread Slicer
The bread slicer was invented by Otto Frederick Rowedder. -
Electric Razor
The electric razor (also known as the electric dry shaver) has a rotating or oscillating blade. The electric razor usually does not require the use of shaving cream, soap, or water. The razor may be powered by a small DC motor, which is either powered by batteries or mains electricity. Many modern ones are powered using rechargeable batteries. -
Car Radio
Car Radio includes mobile audio, car audio, 12-volt audio and other terms are used to describe sound systems fitted to an automobile or other vehicle. The primary use of such equipment is usually entertainment, but can also include communications equipment, public address, and other similar applications.
