When was the first wind vane invented?
The first wind vane was invented by a Greek astronomer, Andronicus in 48 B.C in Athens. It was placed on the top of the Tower of the Winds and its… Read more »
When was the modern shoelace invented?
Harvey Kennedy in 1790, in England invented the modern shoelace. From jute, leather, hemp, cotton or other materials shoelaces were made in the past. Modern shoelaces are created from synthetic… Read more »
When was Pool Vacuum invented?
The hydraulics engineer, Ferdinand Chauvier of South Africa in the year 1951 invented the first manually operated swimming pool vacuum cleaner. In the year 1974, Chauvier created the first automatic… Read more »
When was the Ferris Wheel invented?
n 1893, George Washington Gale Ferris designed and constructed the Ferris Wheel in Chicago for World’s Columbian Exposition and on 21st June 1893 it was opened to the public. It… Read more »
When was Boolean algebra invented?
George Boole in his book “An Investigation of the Laws of Thought” developed Boolean algebra in the year 1854. It was developed to manipulate true (01) or false (0) statements…. Read more »
When was Hovercraft invented?
In 1956, Christopher Cockerell who was a British engineer invented the hovercraft. His plan was to build an air cushion vehicle that by floating on a layer of air could… Read more »
When was Alexenderson Alternator invented?
In the year 1904, Ernst Alexanderson invented a high frequency alternator. It is a rotating machine that transforms direct current into alternating current and radio communication is greatly improved by… Read more »
When was Fortran invented?
In the year 1954, a computer scientist John Backus invented the first high level programming language known as FORTRAN or formula translation for the IBM. In 1957, it was commercially… Read more »
When were the modern sunglasses invented?
In the year 1929 Sam Foster introduced the modern sunglasses in the United States and at the Woolworth’s in Atlantic City the first sunglasses were sold by him. In the… Read more »
When was the Aluminum Foil invented?
The aluminum foil was invented in the year 1825 by Hans Christian Oersted. Charles Martin Hall was granted patent for the aluminum foil on 2nd April 1889.Dr. Lauber, Neher and… Read more »