Wednesday, May 20, 2015

Greatest Inventions of All Time



The Wheel



Discovery of Fire



The Automobile
Airplane

Electricity




Anesthesia

Compass

Cotton Gin

Democracy

Mobile Phone

Eye Glasses

Glass

Gun Powder

Ink

The Internet

Light Bulb

The Nail

Oil Refining

Computer

Optical Fiber

Paper

Penicillin

Prozac

Radio

Refrigeration

Telephone

Remote Controller

The Printing Press

The Steam Engine

Transistor

Television

Video Tape


Writing

Assembly Line

Chocolate

Radar

Abacus






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