100 punkti
Autor soovib selle materjali allalaadimise eest saada 100 punkti.
~ 1 leht
Lehekülgede arv dokumendis
2013-01-27
Kuupäev, millal dokument üles laeti
6 laadimist
Kokku alla laetud
0 arvamust
Teiste kasutajate poolt lisatud kommentaarid
ramzes
Õppematerjali autor
The Cataclysmic Death of Stars Republished from the pages of National Geographic magazine Written by Ron Cowen March 2007 Ever since he was a teenager, Stan Woosley has had a love for chemical elements and a fondness for blowing things up. Growing up in the late 1950s in Texas, "I did everything you could do with potassium nitrate, perchlorate, and permanganate, mixed with a lot of other things," he says. "If you mixed potassium nitrate with sulfur and charcoal, you got gunpowder. If you mixed it with sugar, you got a lot of smoke and a nice pink fire." He tested his explosive concoctions on a Fort Worth golf course: "I screwed the jar down tight and ran like hell." "kaboomWoosley", now an astronomer at the University of California at Santa Cruz, has graduated to bigger explosions--much bigger. Woosley studies some of the most powerful explosions since the birth of the universe: supernovae, the violent deaths of stars. The universe twinkles with these cataclysms. They happen every sec
Teaduslik revolutsioon 15431600 I One of the most important developments in the western intellectual tradition was the Scientific Revolution. The Scientific Revolution was nothing less than a revolution in the way the individual perceives [ tajub ] the world. As such, this revolution was primarily an epistemological revolution it changed man's thought process. It was an intellectual revolution a revolution in human knowledge. Even more than Renaissance scholars who discovered man and Nature, the scientific revolutionaries attempted to understand and explain man and the natural world. Thinkers such as the Polish astronomer Nicholas Copernicus(14731543), the French philosopher René Descartes(15961650) and the British mathematician Isaac Newton(16421727) overturned the authority of the Middle Ages and the classical w
Charles Dickens Charles John Huffam Dickens was the foremost English novelist of the Victorian era, as well as a vigorous social campaigner. Considered one of the English language's greatest writers, he was acclaimed for his rich storytelling and memorable characters, and achieved massive worldwide popularity in his lifetime. Charles Dickens was born in Landport, Portsmouth in Hampshire, the second of eight children to John Dickens n 7 February 1812. The 12-year-old Dickens began working ten hour days in a Warren's boot-blacking factory. In May 1827, Dickens began work in the office of Ellis and Blackmore as a law clerk. At the age of seventeen, he became a court stenographer and, in 1830, met his first love, Maria Beadnell. Maria's parents disapproved of the courtship and effectively ended the relationship when they sent her to school in Paris. In 1834, Dickens became a political journalist, reporting on parliamentary debate and traveling across Britain by
Tallinna Tööstushariduskeskus Saturn Referaat Tallinn 2014 Sissejuhatus Saturn is one of the most interesting planets in the solar system. It is the sixth planet in the solar system, and is most famous for its stunning array of rings. It is a very easy planet to pick out in the sky because it is one of the brightest lights in the shy. It also has a very faint greenish color that makes it stand out from the rest of the objects in the sky ("Astronomy for Kids"). Saturn is the second largest planet in the solar system, Jupiter being the only planet that is bigger. It also has at least eighteen moons, more than any other planet in the solar system. There have been three voyages to this extraordinary planet, and one is still in process today. The Pioneer II traveled to Saturn in September of 1979, the Voyager missions took place in the 1980's and the Cassini probe began it's voyage in Octo
American literature The literary history of this nation when the first humanbeing living in what has since become the U.S used language creatively. · Mid to late 18 century put down · Words are powerful, magical · Words must be remembered · Native Americans stories creation of the world · Attidude thought their land/language · Similar stories Dates and names · America was discovered in 1492 by Columbus · 1497 John Cabot went to Canada · 1579 San Fransisco/St. Fransis · 1607 Jamestown collony/John Smith · 1620 a boat called MayFlower · 1630 Boston was established · 1636 Harvard University · 1773 Boston Teaparty · 1775 War of Independence · 1776 4 July Declaration of Independence · First President George Washington Christopher Columbus Christopher Columbus (1451
Arthur Conan Doyle Life Arthur Conan Doyle was born on 22 May 1859, in Edinburgh, Scotland, to an English father, Charles Altamont Doyle, and an Irish mother, Mary Foley, who had married in 1855.] Although he is now referred to as "Conan Doyle", the origin of this compound surname is uncertain. Conan Doyle's father was an artist, as were his paternal uncles (one of whom was Richard Doyle), and his paternal grandfather John Doyle. Conan Doyle was sent to the Roman Catholic Jesuit preparatory school St. Mary's Hall, Stonyhurst, at the age of eight. He then went on to Stonyhurst College, but by the time he left the school in 1875, he had rejected Christianity to become an agnostic. From 1876 to 1881 he studied medicine at the University of Edinburgh, including a period working in the town of Aston (now a district of Birmingham). While studying, he also began writing short stories; his first published story appeared in Chambers's Edinburgh Journal bef
Russian philology The meaning of the word "philology" is "love for word". This is love that unites teachers and researchers of modern and Classical languages and literature, interpreters and diplomats, journalists and publishers, writers and poets. Russian philologis are highly demanded in various spheres of scholarly research and education, in the mass media, in civil service at the Ministry of Foreign Affairs, in archives, libraries, museums, in travel agencies, as well as Russian and international companies. Curriculum within in philological faculty includes courses of Russian and European languages and literature, courses of Linguistics and Theory of Literature for students to familiarize themselves with various schools and trends of Russian and foreign philology. The core curriculum also includes a number of Liberal Arts courses (Philosophy, History, Psychology, Pedagogy), as well as courses of basic mathematics and computer studies, and optional courses of science and the
Libraries. We know a lot of things thanks to books, but we do not know exactly when and where they originated, and what should be considered the first book in the world. Ancient document, written on parchment, papyri and vellum can hardly be qualified as books the way we understand the word today. Centuries went before paper replaced parchment and papyri. In the 15 th century Johann Gutenberg invented a mechanical process of duplicating texts, which we today call book printing. The first book was printed between 1444 and 1446, so these years can be considered as the beginning years of book printing. His most important preserved printings are the 40 copies of the Bible. By the end of the 15 th century there were about 1000 print-shops in Europe already. The oldest Estonian book dates back to 1535. Libraries form a vital part of education. They make available-through books, films, recordings and other media- knowledge that h
annaabi.ee 
Kõik kommentaarid