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Because SparkNotes provides study guides for literature that include chapter summaries, many teachers see the website as a cheating tool. [7] These teachers argue that students can use SparkNotes as a replacement for actually completing reading assignments with the original material, [8] [9] [10] or to cheat during tests using cell phones with Internet access.
The first commercial ice-making machine was invented in 1854. [9] In 1913, refrigerators for home use were invented. [10] In 1923 Frigidaire introduced the first self-contained unit. The introduction of Freon in the 1920s expanded the refrigerator market during the 1930s. Home freezers as separate compartments (larger than necessary just for ...
The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).
Refrigeration has thus rapidly evolved in the past century, from ice harvesting to temperature-controlled rail cars, refrigerator trucks, and ubiquitous refrigerators and freezers in both stores and homes in many countries. The introduction of refrigerated rail cars contributed to the settlement of areas that were not on earlier main transport ...
Asimov's Guide to Shakespeare, vols I and II (1970), ISBN 978-0-517-26825-4. Gramercy Books. Nearly 800 pages long plus an index, the work was originally published in two volumes; Greek, Roman and Italian in the first and 'The English Plays' in the second. Asimov dedicated the work to his late father, Judah Asimov.
The above tables exclude Shakespeare's Titus Andronicus (composed c. 1589, revised c. 1593), which is not closely based on Roman history or legend but which, it has been suggested, may have been written in reply to Marlowe's Dido, Queene of Carthage, Marlowe's play presenting an idealised picture of Rome's origins, Shakespeare's "a terrible ...
1983 – Orifice-type pulse tube refrigerator invented by Mikulin, Tarasov, and Shkrebyonock; 1986 – Karl Alexander Müller and J. Georg Bednorz discover high-temperature superconductivity; 1995 – Eric Cornell and Carl Wieman create the first [17] Bose–Einstein condensate, using a dilute gas of Rubidium-87 cooled to 170 nK. They won the ...
Shakespeare: The World as Stage is a biography of William Shakespeare by Bill Bryson.The 199-page book is part of HarperCollins' series of biographies, "Eminent Lives".The focus of the book is to state what little is known conclusively about Shakespeare, and how this information is known, with some discussion of disproved theories, myths, and that which is believed by the public but not provable.