Photochemistry

Dmitry Ivanovich Mendeleleyev Was Born In The Town Of Tobolsk, Siberia
Dmitry Ivanovich Mendeleleyev Was Born In The Town Of Tobolsk, Siberia
Dmitry Ivanovich Mendeleleyev was born in the town of Tobolsk, Siberia on February 8,1834. He was the youngest of the 14 children . His father was the principal of a gymnasium ( a school where there is not only body development but there is also the development of the mind). His mother was very smart and self-educated . She used her brothers stuff who went to a university. In 1847 his father became blind of the cataracts on his eyes and was forced to retire. In order to support this very large f
Alfred Stieglitz
Alfred Stieglitz
Alfred Stieglitz Alfred Stieglitz was an influential photographer who spent his life fighting for the recognition of photography as a valid art form. He was a pioneering photographer, editor and gallery owner who played pivotal role in defining and shaping modernism in the United States. (Lowe 23). He took pictures in a time when photography was considered as only a scientific curiosity and not an art. As the controversy over the art value of photography became widespread, Stieglitz began to fig
Chemical Reactions
Chemical Reactions
Chemical Reactions Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named Georg Ernst Stahl was the first to postulate on chemical reaction, specifically, combustion. He said that a substance called phlogiston escaped into the air from all substances dur