on history

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

What is Government? Basic Values and Principles of Democracy Principles of Democracy Other Nations and World Affairs Roles of the Citize..

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

History - In the beginning of the 17 t h century, scientists started realising that some form of matter can exist in a form that is similar to air. The Belgian Chemist Jan Baptista van Helmont coined the word Gas by altering the Greek word "Chaos" which means "Space". This word explains t..

Addicotetal (1963) found out that the shedding of cotton balls was due to a chemical substance Abscissin. Wareing and Cornforth isolated a substance that can induce bud dormancy. They named the substance as dormin . Later it was found that the 2 chemicals were identical and were given the common na..

In Japan, the farmers noted that certain rice seedlings grow taller, thinner and paler than the normal ones and toppled over. This condition was termed as bakanae disease (bakanae in Japanese means foolish) or foolish seedling disease. In 1926, a plant pathologist Kurosawa, discovered the causative..

In the beginning of the 17 t h century, scientists started realising that some form of matter can exist in a form that is similar to air. The Belgian Chemist Jan Baptista van Helmont coined the word Gas by altering the Greek word "Chaos" which means "Space". This word explains the ability of a gas ..

In 1870 John Tyndall, a natural philosopher living in England, demonstrated one of the first guided light systems to the Royal Society. His experiment involved using water as a medium to prove that light rays bend. He filled a container with water and allowed the water to escape through a horizont..

The history of the fax machine begins in 1843 in England with Alexander Bain. He devised an apparatus made up of two pens connected to two pendulums. He joined the two together with a wire, and was able to reproduce writing onto an electrically conductive surface. Some years later, in 18..