...Context Johannes Kepler was born in the midst of an exciting and confusing time for Europe. The continent was entering the Renaissance, a reawakening of thought across the continent. By the time of Kepler's birth, the Renaissance had reinvigorated European culture, politics, philosophy, religion, literature, and science. The authority of the Catholic Church was challenged for the first time in centuries by the reformer Martin Luther, who pointed out the wrongs that he felt the Church had committed. Luther's rebellion spurred the Protestant Reformation, in which Luther and his followers freed themselves from the authority of the Church, creating a new sect of Christianity. Kepler, a Protestant, often found himself caught in the midst of the resulting tension between Catholicism and Protestantism. Catholics frequently persecuted him. A similar challenge of scientific authority was also in progress, a radical shift in thought that later became known as the Scientific Revolution. Scientists in all fields were beginning to question the wisdom of the ancient philosophers who had molded their disciplines. They gradually began rely on objective facts and observation and to turn away from the mysticism, religion, and unfounded theorizing that had previously dominated the field. This drastic change in scientific practices and beliefs was most apparent in the field of astronomy. Physics and astronomy had been dominated by the work of Aristotle, a philosopher from the time of ancient...
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...heard the saying you can’t teach an ole dog new tricks? What about the one where three old dogs teach new tricks? I’m sure you have heard that one, anyone who knows about our solar system can thank the three old dogs. Well, they’re not dogs at all, and at their time they weren’t old but in our time their long gone. Of course, I am speaking about Ptolemy, Copernicus, and Kepler. Funny thing is each one of them challenged and changed their predecessor's work, for the better of course, but we will get to that later. We have these three men to thank for a whole lot of new tricks. To name a few would be, our solar system, the way we form our maps, and we can’t forget the numerous mathematical formulas used to make ideas come to life. In this research paper, we will touch base on the lives of three great astronomers and the tricks they have taught us. We will also see how astronomers of today contribute to our everyday lives. Some say that our first astronomer was a great astronomer. Other say, “Ptolemy was the only great astronomer of Roman Alexandria.” (Brown, 2016) It’s all a matter of opinion, but what we cannot deny was Ptolemy was a great astronomer of his time and today. We do not know much about Ptolemy’s personal life. What we do know about him came from his work. He was born around 85ce in Egypt to a Greek family even though he bore a roman name. To say Ptolemy was diverse is an understatement. He was also diverse in his studies being he was a mathematician, geographer...
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...The morality of Competition Summary about competition often take the form of: Is competition good or bad? This is indeed the way the main contemporary researchers deal with the problem. Is competition good? They answer: No. Is it bad? Yes, in every way, bad psychologically, developmentally, physically, socially, educationally, and productively. But is this really the case? Surely competition is sometimes bad, but is it always bad, or always as bad as it sometimes is? Consider the following vignette: Jane and Tom lived in a small town. Married with five children, Tom was a carpenter and Jane a homemaker. When Tom lost his job and couldn't find another, Jane offered to go to work to make ends meet. Tom felt threatened. At that time, the carpenter's union was under a federal court mandate and offered an apprenticeship program to women. Jane decided to sign up. After some initial adjustment, and with the encouragement of a woman instructor who had pioneered the entrance of women into the trades, she learned quickly and in a couple of years became a master carpenter, a higher skill level than her husband's. Jane felt guilty about making her husband look bad. But she also knew that without her help her family would have nothing but temporary unemployment insurance to live on. She was also proud of her accomplishment. She became angry when she thought that her husband had for so long belittled her, and enjoyed now demonstrating to him that she could work as...
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...HIST Y AN PHILO PHY TORY ND P OSOP Y OF S ENCE SCIE E COMM MON CO OURSE IN ENG E GLISH BBA (I Seme A ester) BA/BS (IV Se Sc emester) 2011 A dmission onwards o UNIV VERSI ITY OF CAL F LICUT SC CHOOL OF DI L ISTANC EDU CE UCATIO ON Calicut Universi P.O. M ity Malappur ram, Kera India 673 635 ala, a 106 School of Distance Education UNIVERSITY OF CALICUT SCHOOL OF DISTANCE EDUCATION BBA (I Semester) BA/BSc (IV Semester) Common Course in English 2011 Admission onwards HISTORY AND PHILOSOPHY OF SCIENCE MODULE I & II Prepared by : House No. 21 “Pranaam” Keltron Nagar, Kolazhi, Thrissur Ms. GAYATHRI MENON .K MODULE III & IV Prepared by: Ms. SWAPNA M.S. Department of English K. K. T. M. Govt. College Pullut, Thrissur Dr. Anitha Ramesh K Associate Professor Department of English ZG College, Calicut © Reserved 2 Scrutinised by : Layout: Computer Section, SDE History and Philosophy of Science School of Distance Education Contents MODULE I ANCIENT HISTORY OF SCIENCE 1. Introduction 2. Origins of Scientific Enquiry 3. European Origins of Science 4. Contributions of Early India 5. Science in China 6. The role of Arabs in the History of Science MODULE 2 7. Science in the Middle Ages MODULE 3 MODERN SCIENCE 8. Newton and After 9. The Advancing Frontiers: Modern Medicine to Nanotechnology MODULE 4 PHILOSOPHY OF SCIENCE 10. Basic concepts in the Philosophy of Science 11. Some Issues in the Philosophy...
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...5.. IMPLANT RETAINED MANDIBULAR CVERDENTU A RE bstract ll BriefBackground Th^eoaim,of this clinical report is to describe the use of a low_ protite.aftachment system to accommodate limited tnterarch space for a mandibular implant-retatned ovefdenture ll Materials and Methods A 2-implant-retained overdenture whtch js a compreterv edenturous l,,i.oiffS iiHlilJff well-accepted mandrbre was llDiscussion Discussion deals wjth the methodology of implant placement rnctud-ingfabrication of complete deniure whiii,..,"O.r rurgi_ cal gulde template and other treatment mooalitjes. ll Summary and Conclusions supeorted prosthesis provides an exce ent supporr J1:lTpla]r ;!:::1:}1#":*'dentuf e i'rprant'u*""ii'i.' Ji,iv. r,. ll Key Words ffJil::Tffr r-diburar denrure, imptanr supporred Man- t. Indian Joumal of Dental Sciences. September 2013 lssue:3, Vol.:5 All rights are reserved wwwijds.in Indion Journol of Dentol Sciences E Modified Technique For Artificial Saliva Reservoirs In Maxillary Denture P ISSN NO. 0976{003 'Varun Kumar 'Amrinder Sjngh Tuti 'Leena Tomar uaorta Abstrac{ Xerostornia is a relalively common complaint lhalcan make the weanng of complete dentures very uncomfortable for affected individuals. to help overcohe this problem, a number ol techniques have been proposed for incorporating ,es"rvoi'.i, 5"i"".v dentures. These have had varying degrees ot siccess...
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...9-709-015 REV: OCTOBER 14, 2010 ARTHUR A. DAEMMRICH BENJAMIN KRAMARZ De enmark Globa k: alizatio and the We on elfare S State On April 5, 200 Lars Løkk Rasmussen was named prime mini n 09, ke n d ister of Denm mark followin the ng appoi intment of An nders Fogh R Rasmussen, p prime ministe since 2001, as secretary general of N er NATO. Thoug not related Lars Løkke had worked in Anders Fo gh d, e ogh’s governm ment, first as interior and h health minis ster and then as minister of finance. A he formed a new gove As d ernment, Lars Løkke soug to s ght develop a set of long-term economic and social plans that would keep Denma internatio l ark onally competitive, despite its large pu ublic sector an costly welf nd fare spending However, s g. short-term rea action to the worldwide economic do e ownturn dom minated policy discussions. A long-stan y . nding debate about joinin the Eurozo was given new saliency when the European Ce ng one n entral Bank lowered its ra on ate “refin nancing opera ations,” which provided liq h quidity to the Eurozone, ju days befor Lars Løkke took e ust re e office. Denmark was a member of the Europ w r pean Union but had retain its own cu ned urrency, the k krone. Likew wise, plans for rmulated a year ago to ex xpand the Dan nish workforc by looseni labor rule and ce ing es reduc cing welfare benefits had b b become unpop pular as unem mployment in ncreased. An nders Fogh Rasmussen had left a mixed legacy. Denm d d mark benefite from a balanced...
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...g Easier! Making Everythin ™ heory tring T S Learn: • The basic concepts of this controversial theory • How string theory builds on physics concepts • The different viewpoints in the field • String theory’s physical implications Andrew Zimmerman Jones Physics Guide, About.com with Daniel Robbins, PhD in Physics Get More and Do More at Dummies.com® Start with FREE Cheat Sheets Cheat Sheets include • Checklists • Charts • Common Instructions • And Other Good Stuff! To access the Cheat Sheet created specifically for this book, go to www.dummies.com/cheatsheet/stringtheory Get Smart at Dummies.com Dummies.com makes your life easier with 1,000s of answers on everything from removing wallpaper to using the latest version of Windows. Check out our • Videos • Illustrated Articles • Step-by-Step Instructions Plus, each month you can win valuable prizes by entering our Dummies.com sweepstakes. * Want a weekly dose of Dummies? Sign up for Newsletters on • Digital Photography • Microsoft Windows & Office • Personal Finance & Investing • Health & Wellness • Computing, iPods & Cell Phones • eBay • Internet • Food, Home & Garden Find out “HOW” at Dummies.com *Sweepstakes not currently available in all countries; visit Dummies.com for official rules. String Theory FOR DUMmIES ‰ by Andrew Zimmerman Jones with Daniel Robbins, PhD in Physics String Theory For Dummies® Published by Wiley Publishing, Inc. 111 River St. Hoboken, NJ 07030-5774 www...
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...NC 27708-0305 rgb@phy.duke.edu Copyright Notice Copyright Robert G. Brown 1993, 2007, 2013 Notice This physics textbook is designed to support my personal teaching activities at Duke University, in particular teaching its Physics 141/142, 151/152, or 161/162 series (Introductory Physics for life science majors, engineers, or potential physics majors, respectively). It is freely available in its entirety in a downloadable PDF form or to be read online at: http://www.phy.duke.edu/∼rgb/Class/intro physics 1.php It is also available in an inexpensive (really!) print version via Lulu press here: http://www.lulu.com/shop/product-21186588.html where readers/users can voluntarily help support or reward the author by purchasing either this paper copy or one of the even more inexpensive electronic copies. By making the book available in these various media at a cost ranging from free to cheap, I enable the text can be used by students all over the world where each student can pay (or not) according to their means. Nevertheless, I am hoping that students who truly find this work useful will purchase a copy through Lulu or a bookseller (when the latter option becomes available), if only to help subsidize me while I continue to write inexpensive textbooks in physics or other subjects. This textbook is organized for ease of presentation and ease of learning. In particular, they are hierarchically organized in a way that directly supports efficient learning. They are also remarkably complete...
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...SENIOR SECONDARY COURSE PHYSICS 1 (CORE MODULES) Coordinators Dr. Oum Prakash Sharma Sh. R.S. Dass NATIONAL INSTITUTE OF OPEN SCHOOLING A-25, INSTITUTIONAL AREA, SECTOR-62, NOIDA-201301 (UP) COURSE DESIGN COMMITTEE CHAIRMAN Prof. S.C. Garg Former Pro-Vice Chancellor IGNOU, Maidan Garhi, Delhi MEMBERS Prof. A.R. Verma Former Director, National Physical Laboratory, Delhi, 160, Deepali Enclave Pitampura, Delhi-34 Dr. Naresh Kumar Reader (Rtd.) Deptt. of Physics Hindu College, D.U. Dr. Oum Prakash Sharma Asstt. Director (Academic) NIOS, Delhi Prof. L.S. Kothari Prof. of Physics (Retd.) Delhi University 71, Vaishali, Delhi-11008 Dr. Vajayshree Prof. of Physics IGNOU, Maidan Garhi Delhi Sh. R.S. Dass Vice Principal (Rtd.) BRMVB, Sr. Sec. School Lajpat Nagar, New Delhi-110024 Dr. G.S. Singh Prof. of Physics IIT Roorkee Sh. K.S. Upadhyaya Principal Jawahar Navodaya Vidyalaya Rohilla Mohammadabad (U.P.) Dr. V.B. Bhatia Prof. of Physics (Retd.) Delhi University 215, Sector-21, Faridabad COURSE DEVELOPMENT TEAM CHAIRMAN Prof. S.C. Garg Former Pro-Vice Chancellor IGNOU, Delhi MEMBERS Prof. V.B. Bhatia 215, Sector-21, Faridabad Prof. B.B. Tripathi Prof. of Physics (Retd.), IIT Delhi 9-A, Awadhpuri, Sarvodaya Nagar Lucknow-226016 Sh. K.S. Upadhyaya Principal Navodaya Vidyalaya Rohilla Mohammadabad, (U.P.) Dr. V.P. Shrivastava Reader (Physics) D.E.S.M., NCERT, Delhi EDITORS TEAM CHAIRMAN Prof. S.C. Garg Former Pro-Vice Chancellor IGNOU, Delhi MEMBERS Prof. B.B. Tripathi Prof...
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...PHYSIC AL CONSTANTS CONSTANT Speed of light Elementary charge Electron mass Proton mass Gravitational constant Permeability constant Permittivity constant Boltzmann’s constant Universal gas constant Stefan–Boltzmann constant Planck’s constant Avogadro’s number Bohr radius SYMBOL c e me mp G m0 P0 k R s h 15 2p"2 NA a0 THREE-FIGURE VALUE 3.003108 m/s 1.60310219 C 9.11310231 kg 1.67310227 kg 6.67310211 N # m2/kg 2 1.2631026 N/A2 1H/m2 8.85310212 C 2/N # m2 1F/m2 1.38310223 J/K 8.31 J/K # mol 5.6731028 W/m2 # K4 6.63310234 J # s 6.0231023 mol21 5.29310211 m BEST KNOWN VALUE* 299 792 458 m/s (exact) 1.602 176 4871402 310219 C 9.109 382 151452 310231 kg 1.672 621 6371832 310227 kg 6.674 281672 310211 N # m2/kg 2 4p31027 (exact) 1/m0c2 (exact) 1.380 65041242 310223 J/K 8.314 4721152 J/K # mol 5.670 4001402 31028 W/m2 # K4 6.626 068 961332 310234 J # s 6.022 141 791302 31023 mol21 5.291 772 08591362 310211 m *Parentheses indicate uncertainties in last decimal places. Source: U.S. National Institute of Standards and Technology, 2007 values SI PREFIXES POWER 1024 1021 1018 1015 1012 109 106 103 102 101 100 1021 1022 1023 1026 1029 10212 10215 10218 10221 10224 THE GREEK ALPHABET PREFIX yotta zetta exa peta tera giga mega kilo hecto deca — deci centi milli micro nano pico femto atto zepto yocto SYMBOL Y Z E P T G M k h da — d c m μ n p f a z y Alpha ...
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