81. Soddy The Kiss Precise by frederick soddy For pairs of lips to kiss maybe Involves notrigonometry. Tis not so when four circles kiss Each one the other three. http://www.pballew.net/soddy.html

Soddy's Formula Back to Mathwords Soddy's formula is another example of giving the credit to the wrong person. The formula is about the relationship of the radii of four mutually tangent circles. The formula is sometimes called the "Kissing Circles Theorem". If four circles are all tangent to each other, then they must intersect at six distinct points. In 1643 Rene Descartes sent a letter to Princess Elisabeth of Bohemia in which he showed that the four radii, r , r , r , r , must be such that . The figure shows four circles all externally tangent to each other. The figure could also be drawn with three tangent circles all inside, and tangent to, a fourth circle. The bend of this externally tangent circle is given a negative value, and thus the same equation provides its radius also. The equation can be written much more easily, and usually is, using a notation of "bend". For each value let the "bend" equal the reciprocal of the radius, then 1/r = b . With this notation the formula can be written as Descartes Circle Theorem was rediscovered in 1842 by an amateur English Mathematician named Phillip Beecroft. Beecroft also observed that there exist four other circles that would each be mutually tangent at the same four points. These circles would have tangents perpendicular to the original circles tangents at each point of intersection.

82. Frederick Soddy Search in ScienceSearch.org for What s new Top Searches Statistics Science News, Home Detailed Information. Name frederick soddy http://www.science-search.org/index/Chemistry/Inorganic/People/18744.htm

Search in Science-Search.org for: What's new Top Searches Statistics Science News ... Home : Detailed Information Name: Frederick Soddy Description: (1877-1956) 1921 Nobel Prize in Chemistry for his contributions to our knowledge of the chemistry of radioactive substances, and his investigations into the origi Category: People Url: http://www.nobel.se/chemistry/laureates/1921/index.html Date: Current Rating: Clicks/Hits Received: Rate this web site: Rating: Votes: Web site owner: Allow people to rate your site on your site Modify your link Something wrong with this resource? Report this link as broken About Us Contact Us Site Guide ... Add Science Search to Your Web Site The Science Search Directory is based on DMOZ. Science Search has modified and enhanced this data. Submitting to DMOZ: Help build the largest human-edited directory on the web. Submit a Site Open Directory Project Become an Editor Science Search's Sponsors: Goom NL

83. Soddy Cirkels 4. Sir frederick soddy terug Sir frederick soddy (18771956, Engeland) kreegin 1921 de Nobelprijs voor scheikunde voor zijn ontdekking van isotopen. http://www.pandd.demon.nl/soddy.htm

Soddy-cirkels Overzicht Apollonius Heron's formule Inversie ... Meetkunde Zie ook het Cabri-werkblad " Inversie ". Overzicht Inleiding Existentie van de Soddy-cirkels De middelpunten zijn niet-collineair De middelpunten zijn collineair ... Tenslotte wo. Afstand tussen Soddy-cirkels 1. Inleiding Het raakrobleem van Apollonius ( zie de betreffende pagina ) houdt in het vinden van alle cirkels (eventueel tot rechte lijnen ontaard) die aan drie gegeven cirkels (ook eventueel ontaarde) raken. Een bijzonder geval van dit probleem wordt in onderstaande paragrafen behandeld, namelijk als de drie gegeven cirkels elkaar twee aan twee raken ( zie figuur 1 figuur 1 Deze configuratie komt overeen met het Porisma van Steiner voor n Klik hier voor de betreffende pagina. Opmerking Zie eventueel ook de pagina " Uitcirkels ", ivm. het Apollonius-punt [einde Opmerking] 2. Existentie van de Soddy-cirkels We zullen hieronder aantonen, dat er inderdaad twee cirkels bestaan die aan de drie gegeven cirkels raken. Deze raakcirkels worden Soddy-cirkels genoemd, naar

84. MSN Encarta - Frederick Soddy Translate this page Inicia una sesión arriba. frederick soddy. frederick soddy (1877-1956), químicobritánico, premiado con el Nobel. Más información sobre frederick soddy de, http://es.encarta.msn.com/encyclopedia_761567135/Frederick_Soddy.html

Principal Mi MSN Hotmail Buscar ... Suscribirse a MSN Encarta Premium Buscar en Encarta Art­culo de suscripci³n MSN Encarta Premium: Consigue este art­culo junto con 41.000 art­culos m¡s, un atlas din¡mico, diccionarios y mucho m¡s por s³lo 29,95 euros/a±o. M¡s informaci³n. Este art­culo s³lo est¡ disponible para los suscriptores de MSN Encarta Premium. ¿Ya eres suscriptor? Inicia una sesi³n arriba. Frederick Soddy Frederick Soddy (1877-1956), qu­mico brit¡nico, premiado con el Nobel. Naci³ en Eastbourne, Sussex, y estudi³ en el Eastbourne College, el Colegio de... Multimedia ¿Quieres m¡s de Encarta? Suscr­bete hoy y tendr¡s acceso a: M¡s de 41.000 art­culos Diccionario biling¼e Atlas din¡mico M¡s informaci³n sobre Frederick Soddy de Otras funciones de Encarta Buscar en Encarta Frederick Soddy Principal Mi MSN ... Dinero ©2004 Microsoft Corporation. Reservados todos los derechos. Condiciones de uso Declaraci³n de privacidad aprobada por TRUSTe

85. Wealth Virtual Wealth And Debt, By Frederick Soddy. Wealth Virtual Wealth and Debt, by frederick soddy © 1926, GeorgeAllen Unwin LTD. This book is NOT in the public domain and http://abob.libs.uga.edu/bobk/wvwd/

Wealth Virtual Wealth and Debt Requires DjVu plug-in This material is not to be reproduced elsewhere without the written permission of the owner. http://www.lizardtech.com/plugin Home Co-op Menu

86. Soddy Circles And David Eppstein's Centers The circles bear the name of frederick soddy (18771956), a distinguished chemistand economist, a 1921 Nobel prize winner, who made the circles famous by http://www.cut-the-knot.org/Curriculum/Geometry/Eppstein.shtml

CTK Exchange Front Page Movie shortcuts Personal info ... Recommend this site Soddy Circles and David Eppstein's Centers: What Are They? A Mathematical Droodle Explanation Alexander Bogomolny Soddy Circles and David Eppstein's Centers The applet suggests that for three circles externally tangent to each other, there exist two circles that touch all circles in the triplet. One of the circles touches the triplet internally, the other touches all of them externally. The circles bear the name of Frederick Soddy (1877-1956), a distinguished chemist and economist, a 1921 Nobel prize winner, who made the circles famous by publishing the result along with a poem "The kiss precise" in Nature , 137 (1936), p. 1021. The circles are correspondingly called the outer and the inner Soddy circles Their centers are also known as the Soddy points of the triangle formed by the centers of the triplet. The formula that links the radii of four circles that touch each other externally was known to Descartes [ Pedoe , p. 158]. It is given in terms of the curvatures bends in Soddy's terminology. For a circle, the curvature is the reciprocal of its radius, and

87. Encyclopedia: Frederick Soddy Updated Apr 10, 2004. Encyclopedia frederick soddy. frederick soddy(September 2, 1877 September 22, 1956) was an English radiochemist. http://www.nationmaster.com/encyclopedia/Frederick-Soddy

Supporter Benefits Signup Login Sources ... Pies Factoid #17 Senior gentlemen might consider a trip to Russia where there's two over 65 women for every man Interesting Facts Make your own graph: Hold down Control and click on several. Compare All Top 5 Top 10 Top 20 Top 100 Bottom 100 Bottom 20 Bottom 10 Bottom 5 All (desc) in category: Select Category Agriculture Crime Currency Democracy Economy Education Energy Environment Food Geography Government Health Identification Immigration Internet Labor Language Manufacturing Media Military Mortality People Religion Sports Taxation Transportation Welfare with statistic: view: Correlations Printable graph / table Pie chart Scatterplot with ... * Asterisk means graphable. Added May 21 Mortality stats Multi-users ½ price Catholic stats Top Graphs Richest Most Murderous Most Populous Most Militaristic ... More Stats Categories Agriculture Background Crime Currency ... Welfare Updated: Apr 10, 2004 Encyclopedia : Frederick Soddy Sponsored links: Frederick Soddy September 2 September 22 ) was an English radiochemist. Soddy was born in Eastbourne, England, and studied at University College of Wales at Aberystwyth and Oxford University Merton College ). He was a researcher at Oxford from

88. Frederick Soddy (1877 1956)|KLUWER Academic Publishers Books » frederick soddy (1877 1956). frederick soddy (1877–1956)Early Pioneer in Radiochemistry. Add to cart. edited by George http://www.wkap.nl/prod/b/90-277-1926-8

Title Authors Affiliation ISBN ISSN advanced search search tips Books Frederick Soddy (1877 1956) Early Pioneer in Radiochemistry Add to cart edited by George B. Kauffman California State University, Fresno, USA Book Series: CHEMISTS AND CHEMISTRY Volume 6 D. Reidel Publishing Company Hardbound, ISBN 90-277-1926-8 December 1985, 256 pp. EUR 182.50 / USD 201.00 / GBP 126.00 Home Help section About Us Contact Us ... Search

89. MSN Encarta - Soddy, Sir Frederick Translate this page soddy, sir frederick. soddy, sir frederick (1877-1956), chimiste et physicienbritannique, prix Nobel pour sa découverte du phénomène isotopique. http://fr.encarta.msn.com/encyclopedia_761567135/Soddy_sir_Frederick.html

Accueil MSN Mon MSN Hotmail Rechercher ... S'abonner   Encarta Premium Rechercher Article accessible sur abonnement MSN Encarta Premium : Acc©dez   30 000 articles encyclop©diques avec plus de 12 000 illustrations, un atlas mondial interactif, un guide du Web et une palette compl¨te de ressources et d'outils ©ducatifs. 34,99 € par an (service d’acc¨s   Internet non compris). En savoir plus. Cet article n'est accessible que si vous ªtes abonn©   MSN Encarta Premium. Dans ce cas, connectez-vous en cliquant sur le lien Aller sur MSN Encarta Premium (ci-dessus). Soddy, sir Frederick Soddy, sir Frederick (1877-1956), chimiste et physicien britannique, prix Nobel pour sa d©couverte du ph©nom¨ne isotopique. Soddy fut ma®tre de... M©dias Encarta vous int©resse ? Abonnez-vous d¨s maintenant et b©n©ficiez de : Plus de 30 000 articles 2 000 analyses d'oeuvre Plus de 12 000 m©dias (dont des extraits sonores, des vid©os et des m©dias interactifs) Un atlas mondial interactif Une palette compl¨te de ressources et d'outils ©ducatifs Un guide du Web Plus de r©sultats pour Soddy, sir Frederick

90. S Lexikon soddy, frederick; (1877 - 1956); britischer Physiker Nobelpreis;1902 Mitentdeckung der Atomumwandlung durch radioaktiven Zerfall erster http://www.muenster.org/uiw/matnatlex/struktur/lex_s.htm

UiW - Lexikon S Antwort uiw matnatlex/struktur A B ... Z S a b c d ... fremde Quellen Stichwort kurze Erläuterung; Quelle a Sauerstoff chemisches Element; VI. Hauptgruppe, 2. Periode im PSE uniterra c Schatten phys. unbeleuchtete Raum oder Fläche; UiW Schokolade Alles über Schokolade! Arne Homborg Stofftrennung durch Extraktion in Halbmikrotechnik (geschlossenes System); Stephen Schulz Schwarzpulver Schwarzpulver besteht zu 75 % aus Kalisalpeter, zu 15 % aus Kohlepulver und zu 10 % aus Schwefel. Es wird als Sprengpulver, Böllerpulver, Zündschnurpulver und Jagdpulver verwendet. historisch: Schwarzpulver ist das älteste Schieß- und Sprengmittel, das in China seit 1200 bekannt ist und in Europa als Erfindung von Berthold Schwarz gilt. Vom 14. Jh. bis 1865 war Schwarzpulver der einzig verwandte Sprengstoff. Schwefel chemisches Element; VI. Hauptgruppe, 3. Periode im PSE uniterra Steckbrief Th. Seilnacht Löslichkeit in verschiedenen Lösemitteln bei 20°C Schwefelkohlenstoff 30,00/100g

91. Tableau Périodique Des éléments Translate this page frederick soddy. Né le 2 septembre 1877 à Eastbourne (Sussex). Décédé le21 octobre 1956 à Brighton (Sussex). Chimiste et physicien anglais. Etudes. http://www.periodictableonline.org/dispbiog_fr.cfm?ID=157

92. Tableau Périodique Des éléments frederick soddy. Geboren 2 september 1877 in Eastbourne (Sussex) Overleden 21 oktober 1956 in Brighton (Sussex). Engels schei en natuurkundige. Studie. http://www.periodictableonline.org/dispbiog_nl.cfm?ID=157

93. Lab Helpline FAQ Search Results Originator frederick soddy (18771956). Quote Originator Dr fredericksoddy (1877-1956) in his Interpretation of Radium (1909). Quote http://www.robresint.co.uk/LS/environlabs/quoteweek/qotw_search_results.asp?sear

94. Frederick The Great Definition Of Frederick The Great. What Is Frederick The Gre frederick the Great. Word Word. frederick II. king, male monarch amale sovereign; ruler of a kingdom. http://www.thefreedictionary.com/Frederick the Great

Dictionaries: General Computing Medical Legal Encyclopedia Frederick the Great Word: Word Starts with Ends with Definition Noun Frederick the Great - king of Prussia from 1740 to 1786; brought Prussia military prestige by winning the War of the Austrian Succession and the Seven Years' War (1712-1786) Frederick II king male monarch - a male sovereign; ruler of a kingdom Legend: Synonyms Related Words Antonyms Examples from classic literature: More Frederick the Great was accustomed to say: "The older one gets the more convinced one becomes that his Majesty King Chance does three-quarters of the business of this miserable universe. The Prince by Machiavelli, Nicolo View in context Another great book was Carlyle's History of Frederick the Great English Literature For Boys And Girls by Marshall, H.E. View in context Some few still exist who have beheld Frederick the Great Vanity Fair by Thackeray, William Makepeace View in context Some words with "Frederick the Great" in the definition: battle of Rossbach Carl Lewis Delius Deutschland ... William Frederick Cody Previous General Dictionary Browser Next Frederick I Frederick II Frederick Jackson Turner ... free Full Dictionary Browser Frederick Roberts, 1st Earl Roberts of Kandahar

95. Frédérick Soddy FrederickSoddy naquit à Eastboume, dans le Sussex, le 2 septembre 1877. http://www.evasion.ch/alchimia/soddy.html

Sir Frederick Soddy (1877-1956) C S Ernest Rutherford (1949), et Transmutation atomique (1922), et Retour

96. 1921 F.¼Òµð(Frederick Soddy:1877~1956, ¿µ±¹) The summary for this Korean page contains characters that cannot be correctly displayed in this language/character set. http://www.newtonkorea.co.kr/newton/magazine/novell/1921.htm

F.¼Òµð (Frederick Soddy : 1877~1956, ¿µ±¹) E-mail : webmaster@newtonkorea.co.kr Helpdesk : Tel. (02)553-0513~5 / Fax. (02)553-6157

97. °í·Á´ëÇб³ û¼Ò³â°úÇбâ¼úÁøÈï¼¾ÅÍ [TIST@KU] The summary for this Korean page contains characters that cannot be correctly displayed in this language/character set. http://tist.korea.ac.kr/scistory/chemistry/chem4_16.php

¼Òµð [ Soddy, Frederick ] ¼­½Ä½ºÁÖ À̽ºÆ®º»¿¡¼­ â»ýÇÏ¿´´Ù. 1899³â ¿Á½ºÆÛµå´ëÇб³¸¦ Á¹¾÷, 1919¡­1936³â ¿Á½ºÆÛµå´ëÇб³ ±³¼ö¸¦ ¿ªÀÓÇÏ¿´´Ù. ´ëÇÐ Á¹¾÷ ÈÄ Ä³³ª´ÙÀÇ ¸Æ±æ´ëÇб³¿¡¼­ E.·¯´õÆÛµå¿Í ÇÔ²² Åä·ýÈ­ÇÕ¹°ÀÇ ¹æ»ç´É¿¡ °üÇÏ¿© ¿¬±¸ÇÏ¿´À¸¸ç, 1903³â¿¡ ¹æ»ç¼ººØ±«¼³À» ¼ö¸³ÇÔÀ¸·Î½á Á¾Àü±îÁö »ý°¢ÇØ ¿Ô´ø ¿øÀÚÀÇ ºÒº¯¼ºÀ» ºÎÁ¤ÇÏ¿´´Ù. ±× ÈÄ ·±´øÀ¸·Î µ¹¾Æ°¡, W.·¥Áö¿Í ÇÔ²² ¶óµ· Rn¿¡¼­ Çï·ý HeÀÌ »ý¼ºµÇ´Â °ÍÀ» ¹àÈûÀ¸·Î½á ¿ø¼ÒÀüȯÀ» ³À½À¸·Î ½ÇÇè¿¡ ÀÇÇØ Áõ¸íÇÏ¿´´Ù. ¶ÇÇÑ ¿ì¶ó´½ UÀ¸·ÎºÎÅÍ ¶óµã RaÀ» »ý¼ºÇÏ°í, ¹æ»ç¼º¿ø¼ÒÀÇ ºØ±«¿¡ °üÇÏ¿© ¿¬±¸ÇÏ¿© ¥áºØ±« ¡¤ ¥âºØ±«¿¡ µû¸¥ ¿øÀÚ¹øÈ£ÀÇ º¯È­¹ýÄ¢(¹æ»ç¼ººØ±«¿¡ µû¸£´Â ¿ø¼ÒÀÇ º¯À§¹ýÄ¢)À» £¾Æ³»¾î ³À½À¸·Î µ¿À§¿ø¼ÒÀÇ Á¸À縦 ¹àÈ÷´Â µ¥ ¼º°øÇÏ¿´´Ù. ¶ÇÇÑ 1918³â¿¡´Â ÁÖ±âÀ²Ç¥ Áß 91¹ø° ¿ø¼ÒÀÎ ¾ÇƼ´½°è¿­ÀÇ ÇÁ·ÎÅä¾ÇƼ´½ PaÀ» ¹ß°ßÇÏ¿´´Ù. 1921³â ¹æ»ç¼ºµ¿À§¿ø¼Ò¿¡ °üÇÑ ¿¬±¸ ¾÷ÀûÀ¸·Î ³ëº§È­ÇлóÀ» ¼ö»óÇÏ¿´´Ù. ÁÖ¿äÀú¼­·Î´Â ¡¶¹æ»ç´É Radioactivity¡·(1904) ¡¶¶óµãÀÇ Çؼ® The Interpretation of Radium¡·(1909) ¡¶¹æ»ç¼º¿ø¼ÒÀÇ È­ÇÐ Chemistry of the Radio-Elements¡·(1910) ¡¶¿øÀÚÀÇ Çؼ® Interpretation of the Atom¡·(1932) µîÀÌ ÀÖ´Ù. About TIST SITEMAP BOARD Top of page ... CHERIC Tel: 02-3290-4754, Fax: 02-3290-4755, E-mail:

98. Prix Nobel De 1920 à 1924 FrederickSoddy naquit à Eastboume, dans le Sussex, le 2 septembre 1877. http://membres.lycos.fr/xjarnot/Chimistes/Nobel_1920.html

P rix Nobel de 1920 à 1924 Hermann Walther Nernst Frederick Soddy Francis William Aston Fritz Pregl Le prix Nobel de chimie n'a pas été attribué 1920. Hermann Walther Nernst En reconnaissance de ses travaux en thermochimie. Hermann Walther Nemst est né le 25 juin 1864 à Briessen, en Prusse Orientale (aujourd'hui Wabrzezno en Pologne); c'est lui qui a consolidé les bases de la chimie physique du XXe siècle. Il commence à travailler dans cette discipline auprès de Kohlrausch, à Würzbourg, où il fait la connaissance d'Arrhenius, qui l'amène ensuite à Graz, chez von Ettinghausen. Là, il entreprend des travaux sur les fnrces électromotrices dues au magnétisme des plaques métalliques que traverse un flux de chaleur. Sur la recommandation d'Arrhenius, il devient l'assistant d'Ostwald, qui était alors professeur de chimie physique à Leigzig, et commence de nouvelles recherches en électrochimie. En 1888, il publie la théorie dite aujourd'hui "théorie de Nernst" sur la force électromotrice, suivie en 1889 d'un mémoire intitulé "L'activité élcctromotrice des ions". Cette théorie très féconde constituc la base de l'électrochimie théorique; elle est à l'origine des progrès techniqucs en électrochimie et du développement de l'électrobiologie. Selon Nemst, un métal en solution se comportc comme un donneur d'élcctrons vis-à-vis de la solution; il existe une tension de dissolution électrolytique propre à chaque métal, forte pour les métaux comme le zinc, faible au contraire pour les métaux nobles comme le platine. Ce phénomène se traduit par une augmentation de la pression osmotique des ions en solution, qui aura tendance à s'opposer à la tension de dissolution. Il est alors possible de calculer le travail mis en jeu lorsqu'une mole d'ions passe de la pression de dissolution électrolytique à la pression osmotique de la solution. On peut aussi transposer ce raisonnement aux surfaces de séparation en solutions de concentrations différentes. On sait aujourd'hui que les rclations dtablies par Nemst ne sont valables que pour les solutions dilu

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