81. Scientific Identity: Portraits From The Dibner Library Of The History Of Science Scientist Tyndall, John (1820 1893). Discipline(s) Physics. Original Image~, Scientist Tyndall, John (1820 - 1893). Discipline(s) Physics. http://web4.si.edu/sil/scientific-identity/by_name_display_results.cfm?scientist

82. John Tyndall John Tyndall (Physicist, Mountaineer and Author). (1820 1893). Contents. http://members.tripod.com/~Irishscientists/scientists/JOHN.HTM

var cm_role = "live" var cm_host = "tripod.lycos.com" var cm_taxid = "/memberembedded" Home Introduction About web-site list ... Ellen Hutchins John Tyndall Lord Kelvin Cynthia Longfield Mary Ward Francis Beaufort ... Alexander Mitchell John Tyndall (Physicist, Mountaineer and Author) Contents Childhood Achievements Mountaineering Later life Childhood: John Tyndall was born on August 2nd 1820, into a small landowning family in Leighlinbridge , Co.Carlow. Plaque commemorating Tyndall on a wall near his house in Leighlinbridge Although his family was quite poor, Tyndall got a good education. He became good friends with Master Conwill at Ballinabranna School, when he was in his teens. The two could often be seen, on their walks home to Leighlinbridge, figuring out some geometrical problems in the snow. The house in Leighlinbridge where John Tyndall was born in 1820 Tyndall originally started working as a draughtsman with the Ordnance Survey, studying in his leisure time. In 1847, he became a teacher of mathematics at Queenswood College, Hampshire, England. Then at the age of 28 he went to the University of Marburg in Germany to study Chemistry and Physics. In 1850 he obtained his Phd there, and returned to Queenswood a year later.

83. Offline Seznam Personálních Autorit - Tyndall, John 1820 - 1893 Tyndall, John 1820 1893 Záhlaví, Název, Signatura. ŠTOLL, Ivan,Podivuhodné prírodní úkazy, K 9287. © Mestská knihovna v http://www.mlp.cz/cz/offline/perlie/t/2027823.htm

Tyndall, John 1820 - 1893 Záhlaví Název Signatura ŠTOLL, Ivan Podivuhodné pøírodní úkazy K 9287 Offline poslední zmìny: 15.09.2003 kont@kt

84. Tyndall, John. The American Heritage® Dictionary Of The English Language: Fourt Language Fourth Edition. 2000. Tyndall, John. SYLLABICATION Tyn·dall.PRONUNCIATION t n dl. DATES 1820–1893. Irishborn British http://www.bartleby.com/61/55/T0445500.html

Select Search All Bartleby.com All Reference Columbia Encyclopedia World History Encyclopedia Cultural Literacy World Factbook Columbia Gazetteer American Heritage Coll. Dictionary Roget's Thesauri Roget's II: Thesaurus Roget's Int'l Thesaurus Quotations Bartlett's Quotations Columbia Quotations Simpson's Quotations Respectfully Quoted English Usage Modern Usage American English Fowler's King's English Strunk's Style Mencken's Language Cambridge History The King James Bible Oxford Shakespeare Gray's Anatomy Farmer's Cookbook Post's Etiquette Bulfinch's Mythology Frazer's Golden Bough All Verse Anthologies Dickinson, E. Eliot, T.S. Frost, R. Hopkins, G.M. Keats, J. Lawrence, D.H. Masters, E.L. Sandburg, C. Sassoon, S. Whitman, W. Wordsworth, W. Yeats, W.B. All Nonfiction Harvard Classics American Essays Einstein's Relativity Grant, U.S. Roosevelt, T. Wells's History Presidential Inaugurals All Fiction Shelf of Fiction Ghost Stories Short Stories Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference American Heritage Dictionary Tyndale, William ... BIBLIOGRAPHIC RECORD The American Heritage Dictionary of the English Language: Fourth Edition.

85. Blintz! John Tyndall .. http//www.lexicorps.com/Tyndall.htm. Previews by Thumbshots, BBC History- John Tyndall (1820 - 1893) Open in new window John Tyndall (1820 - 1893). http://www.blintz.com/directory/John_Tyndall/

Search results for john tyndall Home Blintz Gear Top Searches Recent Searches ... Contact Us search Your search history john tyndall Web Search Horoscopes Games Weather News ... Download our FREE Popup Blocker! FEATURED: SITE OF THE DAY Prozac.ca General information site about depression, obsessive-compulsive disorder, and bulimia nervosa. The information on this Web site is intended to answer your questions regarding Prozac to ensure that you have the facts that matter. Would you like to have your site featured here? Contact us for more info! Sponsored Results for john tyndall Find Books By John Tyndall Buy used, new, rare and out-of-print books by John Tyndall. Millions of books from thousands of booksellers worldwide all in one, easy-to-search Web site. Find it at Alibris. http://www.alibris.com For more sponsored results click here Web Results for john tyndall A short biography of John Tyndall John Tyndall , FRS, DCL, LLD. John Tyndall was born on Aug 2 1820, at Leighlin Bridge, County Carlow, Ireland, the son of a member of the Irish Constabulary. ... http://www.tyndall.ac.uk/general/john_tyndall_biography.shtml

86. John Tyndall John Tyndall (1820 –1893). Tyndall was born in County Carlow in 1820and studied at Marburg, Germany. He became professor of Physics http://www.wit.ie/set/famousirish/johntyndall.htm

John Tyndall (1820 –1893) Tyndall was born in County Carlow in 1820 and studied at Marburg, Germany. He became professor of Physics at the Royal Institution 1853 and was also professor at the Royal School of Mines 1859–68 He was one of the first people to communicate science to non scientific audiences in Great Britain and in America. In 1869 he studied the scattering of light by invisibly small suspended particles in colloids. The effect was named after him the Tyndall effect , it was first observed with colloidal solutions, in which a beam of light is made visible when it is scattered by minute colloidal particles (whereas a pure solvent does not scatter light). Similar scattering of blue wavelengths of sunlight by particles in the atmosphere makes the sky look blue (beyond the atmosphere, the sky is black). As well as showing that air contains dust particles, Tyndall also showed that it contains micro-organisms. This confirmed the work of French chemist Louis P, and it also inspired Tyndall to develop methods of sterilizing by heat treatment.

87. The Tyndall Centre - Answers To FAQs On The Tyndall Centre A3. Why is it called the Tyndall Centre? top. The Tyndall Centre isnamed after the physicist John Tyndall (1820 1893). Tyndall http://www.tyndall.ac.uk/faq/group_a.shtml

Home Contacts General Research ... Search The Tyndall Centre What is new and different about the Tyndall Centre? What is the Tyndall Centre's general approach to the climate change issue Why is it called the Tyndall Centre? Where is the Tyndall Centre? Is the Tyndall Centre part of the UK Climate Impacts Programme (UK CIP)? How does the Tyndall Centre differ from the Hadley Centre? How does the Tyndall Centre relate to the Climatic Research Unit and CSERGE? Does the Tyndall Centre do climate change research, or fund climate change research? How do I get access to Tyndall Centre research funds? How do I get to study at the Tyndall Centre? Can I become a member of the Tyndall Centre? . What is new and different about the Tyndall Centre? top The Tyndall Centre's role is to develop and pioneer ways of responding to the challenge of climate change in a positive, constructive and effective manner. The Tyndall Centre itself is a unique partnership between nine UK research institutions which together form the Tyndall Consortium . This framework allows for the engineering and technological sciences to combine with the environmental and social sciences and together build a connected and productive interdisciplinary pool of world-class expertise. This is reflected in the Centre's research strategy which is focused on adopting integrated approaches drawn from the natural, social and engineering sciences to deliver new insights into climate change, and to explore and develop sustainable responses to climate change. In doing so, the Tyndall Centre seeks a wide engagement with stakeholders and also participate in education and opinion-shaping.

88. Irish Patent Office To this day Stokes parameters is used to describe light emitted in an experimentwithin atomic and optical physics. Tyndall, John (1820 1893), http://www.patentsoffice.ie/IrishInventors.htm

Patent Office Learning Zone HOME LINKS Home Learning Zone Throughout the centuries Ireland has proven itself as a nation of inventors with many of its natives having made important contributions to their particular fields of endeavor. Outlined below is a selection of just some of the many Irish contributors to the world of science and innovation. Barry , Vincent (1908 - 1975) Cork man Vincent Barry led a medical research team that discovered a compound (B663) that ultimately led to a treatment for leprosy. The team were working on a cure for tuberculosis at the time. Beaufort , Sir Francis (1774 - 1857) In 1805 Navan man, Sir Francis Beaufort, conceived the wind force scale that now bears his name. A distinguished naval commander, Sir Francis' 13-point 'Beaufort Scale' was adopted by the British navy in 1838. Boyle , Robert (1627 - 1691) Robert Boyle, one of the original modern chemists, made many key contributions in the scientific revolution of the 1600's. His most famous discovery, which examined the pressure-volume relationship in laboratory conditions, now bears his name (Boyle's Law) and was to prove fundamental to our understanding of gases and atmospheric pressure.

89. AIP Niels Bohr Library William T. Sherman, Benjamin Silliman, Jr., Ainsworth R. Spofford, Edwin M. Stanton,John Tyndall, Gideon Welles, Josiah Dwight Whitney, and Thomas J. Wood. http://libserv.aip.org:81/ipac20/ipac.jsp?uri=full=3100001~!546~!0&profile=aipnb

90. CORPUS, AUTHORS Tyndall, John, 1820–1893, Irish physicist and popularizer of science. Ward,Mary Augusta, née Arnold (Mrs. Humphrey Ward), 1851–1920, English novelist. http://www.burgoyne.com/pages/bdespain/grammar/grambiog.htm

NAMES YEARS OF LIFE OCCUPATIONS (RELATIVE) Ainger, Alfred English biographer Aldrich, Thomas Bailey American author and editor Allen, James Lane American novelist Arnold, Sir Edwin English poet and journalist Arnold, Matthew English poet and critic Austen, Jane English novelist Bagahot, Walter English economist and journalist English novelist Barrie, Sir James Matthew Scottish novelist and dramatist Beecher, Henry Ward American clergyman Bellamy, Edward American author Besant, Sir Walter English novelist Birrell, Augustine English politician and writer Black, William Scottish journalist and novelist Blackmore, Richard Doddridge English novelist Bolles, Albert Sidney American author Boyesen, Hjalmar Hjorth Brook, ? (poss. Brooks, Charles William Shirley) (English journalist and novelist) Brooks, Phillips American clergyman Brown, John Scottish physician and essayist Browning, Robert English poet Bryant, William Cullen American poet and editor Burroughs, John American naturalist Cable, George Washington American author Campbell, William Wilfred Canadian poet Carlyle, Thomas

91. Rayleigh – Tyndall Scattering (JWS Rayleigh, see Rayl; John Tyndall, 1820–1893, Irish physicist),backscattering of ultrasound from blood. The echoes detected http://www.amershamhealth.com/medcyclopaedia/Volume I/RAYLEIGH TYNDALL SCATTERI

Amershamhealth.com Search for: Type a word or a phrase. All forms of the word are searchable. Browse entry words starting with: A B C D ... Other characters Rayleigh – tyndall scattering, (J.W.S. Rayleigh, see Rayl ; John Tyndall, 1820–1893, Irish physicist), backscattering of ultrasound from blood. The echoes detected from blood (e.g. in Doppler ultrasound ) are created through interference between scattered wavelets from numerous point scatterers (small inhomogeneities in the red blood cell concentration, see point scatterer ). The intensity of the backscattered echoes is proportional to the total number of scatterers, which means that the echo amplitude is proportional to the square root of the total number of scatterers (see intensity of sound ). At normal blood flow, the number of point scatterers in blood is proportional to the number of red blood cells (i.e. the amount of blood). When blood flow is turbulent, or accelerating fast (e.g. in a stenosis), the number of inhomogeneities in the red blood cell concentration will increase, thus giving rise to stronger echoes than can be accounted for by merely the amount of blood. The intensity of the backscattered ultrasound is also proportional to the fourth power of ultrasound frequency. Doubling the ultrasonic frequency makes the echoes from blood 16 times as strong. (On the other hand, higher frequency ultrasound suffers from higher attenuation in the tissues.) HJS The Encyclopaedia of Medical Imaging Volume I Contacts GE Healthcare Making Waves

92. Crystal Clouds Quotations: Source Profile Size . Tyndall, John (1820 1893), Click For External OnlineReference Irish Physicist. Quotations By This Source. Ideas And Dreams. http://www.crystalclouds.co.uk/search.php?option=ThisSource&searchbioid=253

93. Crystal Clouds Quotations: Tynan, Kenneth Peacock English Drama Critic (1927 1980). Tyndall, John Irish Physicist(1820 - 1893). Tzu, Chuang Chinese Taoist Philosopher (369BC - 268BC). http://www.crystalclouds.co.uk/search.php?option=SourceIndex&letter=T&page=4

94. Nineteenth Century Britain: Duke University Libraries Newspapers & Microforms Microfilm M5993, Tyndall, John, 1820 1893. John Tyndall, natural philosophercatalogue of correspondence, journals and collected papers. (+ guide). http://www.lib.duke.edu/access/news/19thbritain.htm

duke libraries catalog databases ask a librarian ... contact us Newspapers Subject Guides NINETEENTH CENTURY BRITAIN Please note that this list is intended to serve only as a guide to collections available on microforms in the Newspapers and Microforms Department. As such, this list includes no individual works on or from the period described. A listing of relevant newspaper titles is provided for those titles on microfilm with runs of three years or more. Microfilm Goldsmiths'-Kress Library of Economic Literature: Segment II, Printed Books, 1801 - 1850. Includes the combined titles from the Goldsmiths' Library of Economic Literature at the University of London, and the Kress Library of Business and Economics at the Harvard Graduate School of Business Administration in Boston. Micro Print, Film, Fiche Landmarks of Science. "This edition covers micro-reproductions of scientific monographs and journals from the 15th to the early 20th centuries." Microfiche British Biographical Archive.

95. GIGA Chronological Author List "1820 To 1824" and emancipator (c. 1820 1913) - BUY AMAZON BOOK John Tyndall, British (Irish-born)physicist and natural philosopher (1820 - 1893) - BUY AMAZON BOOK Rev http://www.giga-usa.com/gigaweb1/quotes2/quay1820.htm

Home Biographical List Reading List Links ... Quote Links CHRONOLOGICAL AUTHOR LIST 1820 to 1824 Susan B. Anthony, American social reformer and suffragist (1820 - 1906) READ QUOTES (1) BUY AMAZON BOOK Guillaume Victor Emile Augier, French poet and dramatist (1820 - 1889) BUY AMAZON BOOK Mathurin M. Ballou, American author (1820 - 1895) READ QUOTES (1) BUY AMAZON BOOK Maturin Murray Ballou, American journalist and writer of travel books (1820 - 1895) BUY AMAZON BOOK John Bartlett, American compiler of quotations (1820 - 1905) READ QUOTES (1) BUY AMAZON BOOK William Cox Bennett, English poet (1820 - 1895) READ QUOTES (1) BUY AMAZON BOOK Rev. John Booth, English compiler (fl. 1860) READ QUOTES (1) BUY AMAZON BOOK Anne Charlotte Lynch Botta, American poet (c. 1820 - 1891) READ QUOTES (1) BUY AMAZON BOOK Christian Nestell Bovee, American author and lawyer (1820 - 1904) READ QUOTES (2) BUY AMAZON BOOK Mary Gardiner Brainard, American poet (fl. 1860) BUY AMAZON BOOK Anne Bronte (used pseudonym Acton Bell), English novelist and poet (1820 - 1849) READ QUOTES (3) CHECK READING LIST (1) BUY AMAZON BOOK Henry Howard Brownell

96. RTÉ: Ireland's Millennia : People TROY, John THOMAS (1739 1823) Archbishop of Dublin. TURNER, MARTYN (1948- ) cartoonist. Tyndall, John (1820 - 1893) natural philosopher. Back, http://www.rte.ie/culture/millennia/people/t2_public.html

TALBOT, MATTHEW TEMPLETON, JOHN TENNANT, MARGARET THIRD EARL OF ROSSE THOMPSON, WILLIAM THOMPSON, WILLIAM THOMPSON, WILLIAM THOMSON, WILLIAM TIERNEY, MICHAEL TIMONEY, SEAMUS TODD, JAMES TOLAND, JOHN TORRENS, ROBERT TRAILL, ANTHONY TRENCH, RICHARD TROY, JOHN TURNER, MARTYN TYNDALL, JOHN TODD, JAMES HENTHORN (1805 - 1869) scholar TOLAND, JOHN (1670 - 1722) deist TORRENS, ROBERT (1780 - 1864) political economist TRAILL, ANTHONY (1838 - 1914) provost of Trinity College Dublin (TCD) TRENCH, REVEREND RICHARD CHENEVIX (1807 - 1886) archbishop TROY, JOHN THOMAS (1739 - 1823) Archbishop of Dublin TURNER, MARTYN (1948 - ) cartoonist TYNDALL, JOHN (1820 - 1893) natural philosopher Home People History Places

97. The Most Important People In Wallace's Intellectual Life 27Tyndall, John IrishEnglish physicist 1820-1893. Wallace frequently referredto the various researches of this very prominent scientist in passing. http://www.wku.edu/~smithch/wallace/mostcite.htm

Alfred Russel Wallace : Alfred Wallace : A. R. Wallace : Russel Wallace : Alfred Russell Wallace ( sic The Most Important People in Wallace's Intellectual Life not the actual total number of referrals ; I believe the system used here is more fairly reflective of the relative attention given each person overall in Wallace's writings because it doesn't put undue weight on long works that contain a very large number of mentions of a particular person. The following individuals scored a '20' or higher on this scale, ranked in order. Darwin, Charles [English naturalist 1809-1882]. This total clearly indicates what a tremendous debt Wallace's work owed to Darwin, whether Wallace agreed with him all the time or not. Spencer, Herbert [English philosopher and sociologist 1820-1903]. Wallace had genuine admiration for Spencer's abilities as a thinker, though later on in their careers he came to feel that Spencer had lost his direction. Bates, Henry Walter

98. AIP Niels Bohr Library Search General Keyword, http://libserv.aip.org:81/ipac20/ipac.jsp?uri=full=3100001~!5485~!0&profile=aipn

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