Why do we celebrate halloween?

Halloween is celebrated with candies, bright costumes, black cats, pumpkins etc. It is believed that 2000 years back Halloween was originated from the Celtic festival of samhain. They worship the nature’s beauty, the sun and also samhain who was believed as lord of dead pupils. […]

Who invented the Gas Mask?

The gas mask is a device, when used protects the user from breathing in toxic gases and pollutants. The gas mask was invented by Garrett A. Morgan and patented in 1914, though there were others who had worked on these masks before this invention. Garrett’s […]

Who invented electric Water Heater?

Edwin Ruud, a Norwegian mechanical engineer invented the electric water heater in 1889 that has now become an indispensible part of every household and certain commercial organizations and industries. He founded the Ruud Manufacturing Company where these devices were manufactured and sold. Ruud’s design had […]

Why did war of Vietnam begin?

The incident started in the beginning of 20th century when a Vietnamese nationalist Ho Chin Minh was studying in U.S and wrote to president to seek their help to run the country which was then under French but all this was not attended by U.S […]

Why did World War I start?

“Great war” is the other name of world war I. It was started due to many reasons but the foremost cause of all is the assassination of Archduke Frencis Ferdinand, the next heir of Austro-Hungarian Empire and his wife Sophie during their Serbia visit. They […]

Who invented hair dryer?

A hairdryer or blow dryer is an electromechanical gadget that blows hot or cool air over damp or wet hair to aid in quick drying of wet hair. Alexandre Godefoy of France invented the electric hair dryer in 1890. Before the hairdryer was invented men […]

Who invented the dollar bill?

The dollar bill was first issued during the tenure of President Abraham Lincoln as a Legal Tender Note in 1862 and was designed by Salmon P. Chase, the Secretary of Treasury. This dollar bill had the portrait of Salmon P Chase. The materials that are […]

Who invented file cabinet?

A file cabinet is a type of office furniture which is used for storing paper documents in file folders. In simple terms, it is an enclosure for storing documents. File cabinets are mainly available in two varieties; the vertical and the horizontal file cabinets. The […]