Stephen hawking

Stephen Hawking

Professor Stephen William Hawking was born on 8th January 1942 (exactly 300 years after the death of Galileo) in Oxford, England. His parents' house was in north London but during the second world war Oxford was considered a safer place to have babies. When he was eight his family moved to St. Albans, a town about 20 miles north of London. At the age of eleven, Stephen went to St. Albans School and then on to University College, Oxford (1952); his father's old college. Stephen wanted to study mathematics although his father would have preferred medicine. Mathematics was not available at University College, so he pursued physics instead. After three years and not very much work, he was awarded a first class honours degree in natural science.He is a very influential scientist. His books have captured the minds of millions. His theories have baffled the minds of great thinkers. His discoveries break the laws of which we thought governed the universe. He is a man whose work has changed the ways we look at the universe, our galaxy, our solar-system, and our planet. His name is Stephen Hawking. He has written many books, attended two universities, and is a renowned scientist. From conception to the present, Stephen Hawking has lived a very interesting life.

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Periodic table

Periodic table ELEMENTS- Elements are pure from of matter that are made up of one type of atom. · DOBEREINER- Grouped all elements in three (triads). · NEWLAND- Observed that when elements are arranging in increasing order of their atomic mass. Every eighteen element beginning from any element resemble the first element in its physical and chemical properties. · DMITRI MENDLEVE- He is a Russian chemist gave the first periodic table of elements based on his law which states that “The properties of elements are the periodic functions of their atomic mass.” · Modern periodic table was given by HENERY MOSELEY. Periodic table- A tabular form of elements in group and periods highlighting the regular trends in properties of elements is called periodic table. · NEIL BOHR- He has given the long form of modern periodic table. Ø About groups of periodic table- 1. Group 1. These elements are known

ALBERT EINSTEIN

ALBERT EINSTEIN Albert Einstein was born on 14 March 1879 in the German city of Ulm, without any indication that he was destined for greatness. On the contrary, his mother thought Albert was a freak. To her, his head seemed much too large. At the age of two-a-half, Einstein still wasn't talking. When he finally did learn to speak, he uttered everything twice. Einstein did not know what to do with other children, and his playmates called him "Brother Boring." So the youngster played by himself much of the time. He especially loved mechanical toys. Looking at his newborn sister, Maja, he is said to have said: "Fine but where are her wheels?" A headmaster once told his father that what Einstein chose as a profession wouldn't matter, because"he'll never make a success at anything." Einstein began learning to play the violin at the age of six, because his mother wanted him to; he later became a violinist, maintaining t

CA chapter 2 notes class 10

COMPUTER APPLICATION.. CLASS-10... CHPATER -2 INTERNET SERVICES 1)Fill in the blanks. a. Google is a good example of a Search Engine . b. Search engines broadly consist of three components: The Crawler , The Index , The Search Algorithm . c. An E-mail program enables you to send, receive and manage your message through the World Wide Web. d. Download means to transfer files from the system you have called to the computer you are using. e. Upload means to transfer files from your hard disk to the Computer System you have accessed by a modem. f. News Group provide a good way to exchange information with people of similar interests. g. Telnet is a medium that allow a user to log in to a remote computer and function as if he/she are connected directly to that computer. h. FTP helps you to exchange files between computers on the internet. i.

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