Algebra is the major branch of mathematics that deals with study of operations and relation, construction methods, concepts, polynomial equation and much more. A mathematician named Al-Khwarizmi invented the algebra. He wrote about algebra in one of his books in the year 820. The term algebra has been derived from the Arabic word Al-Jabr, which means equation and was the title of inventor Al-Khwarizmi’s book. He was the first person who has solved the difficult […]

Ball and jack game originated 2000 years ago. It has been referred to as different names in different regions. It was called as the jack game in the ancient period by Egyptians and Romanians. It was also referred to as jack stones, jack rocks, five stones, knuckle bones, snobs, etc. Children used pebbles, small stones or bones of small animals to play the game. Older version of games used five stones made of clay, wood, […]

Blackjack is a casino game invented in American casinos. No one person can get the credit for inventing Blackjack as the game has evolved over the years. This game is also referred to as Twenty-One. It is one of the most popular gambling games in the world of casino. It was invented in 17th century. In the earlier days, it was called as twenty – one only. When the game was introduced in the United […]

Barbie is a fashion doll produced in the year 1959. Ruth handler, an American businesswoman designed the Barbie. She got the inspiration from her daughter who preferred adult figured dolls. Most of the dolls at that time were baby dolls. She exhibited her first Barbie in March 9, 1959 at American International Toy Fair. The first Barbie was made in Japan. The fashion dolls were manufactured by the company called Mattel Inc, which was run […]

History of the compass can be traced from the 2nd Century BC and has its origin from China. A study revealed that Omlecs were using compass during 1000BC, but there is no authenticated proof towards the same. It is a difficult task to identify the first inventor of compass. The earliest models of compass were referred to as lodestone. Compass was mentioned as a tool or device for navigation in the year 1117 by Chinese […]

Early evidence of the use of Crossbows can be trailed back in Chinese history to as early as 341 B.C. It is believed that the crossbows were first used in the battle of Ma-Ling in Lingyi, China. It became a primary warfare weapon after that and was used for several years to come. The Chinese kept upgrading and improving the original cross bow from time to time. One of the improved versions was the repeating […]

Using computer was considered a difficult task during earlier period of their invention as they were large devices. The user needed to type everything by hand and could not alter the mistakes. Douglas Engelbart was a researcher of Stanford Institute and wanted to find new ways to make using the computer easier. Douglas Engelbart contributed greatly towards the changing the working method of computer. He invented several user friendly tools that can be used by […]

Compound microscope is the advanced model of high power microscope developed with multiple and selectable lens of different magnifications. The first compound microscope was invented and patented by Zacharias Janssen in the year 1595. Soon after his invention, Galileo Galilei invented another type of compound microscope out of a telescope. And on the basis of above inventions, several scientists have refined their inventions and introduced advance models of compound microscopes. Compound microscopes are useful for […]

Colt revolver was the first multi shot weapon that became the symbol of American Frontier. Colt revolver was invented by an American Industrialist called Samuel Colt. His innovative contribution to the weapon industry has been described in the army history as ‘events that shaped the destiny of American Firearms’. The inventor was the founder of the Colt’s Manufacturing Company and he got the patent rights for the invention of colt revolver in the year 1836. […]

A cloth dryer may also be referred to as a tumble dryer. It is a house hold appliance that is used to remove the moisture content from the clothes after they are cleaned. It was also called a tumble dryer because the ancient dryer consists of a rotating drum called tumbler. The tumbler passes the hot air for circulation and evaporation of the moisture from the clothes loaded. In the 18th century, clothes dryers were […]