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Fascinating Facts about 20th Century - 1


This sub-category of the Inventions And Inventors category is for fascinating facts about 20th Century.


Detergents
The German chemist Fritz Gunther invented detergents in 1916.

Laser
Lasers were invented in 1960 by Theodore Maiman. The name laser stands for 'light amplification by stimulated emission of radiation',


Here is a Random Fascinating Fact

Space - The Planets - Day and Year
A day is the time that a planet takes to rotate once. The time that a planet takes to orbit the sun is called a year.