Informs you about various types of inventions and discoveries
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The first crossword was invented by the editor of an American newspaper in 1913. Crosswords are now published on many of the world's leading newspapers.
An escalator is an moving stairway that transports people from one floor to the other. Escalators are there at airport, stores and subway stations. The invention of the escalator was made by two American inventors named G. H. Wheeler and W. Reno in 1892.
A bicycle is a vehicle with two wheels mounted one behind the other on a metal frame. The rider propels the bicycle by pushing two pedals with feet around a circle. In 1885, an English gentleman named J. K. Starley , produced the first commercially popular bicycle with both wheels of equal size. In 1890, brakes and air filled rubber tyres and handle came to be added. The bicycle today, is the cheapest mode of transportation across the world. It is also used in various sports activities.
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