United States physicist (born in Russia) who was a proponent of the big-bang theory and who did research in radioactivity and suggested the triplet code for DNA (1904-1968), physicist (a scientist trained in physics). Une fenêtre (pop-into) d'information (contenu principal de Sensagent) est invoquée un double-clic sur n'importe quel mot de votre page web. Consequently, Gamow's prediction in support of the big bang was not substantiated until 1964, when Arno Penzias and Robert Wilson made the accidental discovery for which they were awarded the Nobel Prize in physics in 1978.

Shortly thereafter, Ralph Alpher and Robert Herman predicted that the afterglow of the big bang would have cooled down after billions of years, filling the universe with a radiation five degrees above absolute zero. This lent theoretical support to the big bang theory, although it did not explain the presence of elements heavier than helium (this was done later by Fred Hoyle). Tous droits réservés. At the same time, radiation emissions were known to have certain characteristic energies. George Gamow 178 followers George Gamow (Russian pronunciation: [ˈɡaməf:]; March 4 [O.S. ○   jokers, mots-croisés Gamow then worked at a number of Soviet establishments before deciding to flee Russia because of increased oppression. Other, This website uses cookies to improve your user experience. Le service web Alexandria est motorisé par Memodata pour faciliter les recherches sur Ebay. Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML. United States physicist (born in Russia) who was a proponent of the big-bang theory and who did research in radioactivity and suggested the triplet code for DNA (1904-1968) Familiarity information: GEORGE GAMOW used as … In 1933, the two tried a less dramatic approach—Gamow managed to obtain permission for himself and his wife (who was also a physicist) to attend the Solvay Conference for physicists in Brussels. Also classically, it takes an enormous amount of energy to pull apart the nucleus. Jouer, Dictionnaire de la langue françaisePrincipales Références.

Changer la langue cible pour obtenir des traductions. Poor weather foiled both attempts. This paper became known as the Alpher-Bethe-Gamow theory. Participer au concours et enregistrer votre nom dans la liste de meilleurs joueurs ! Il est aussi possible de jouer avec la grille de 25 cases. Double-click any word on the page to look it up in the dictionary. En savoir plus, Grave of George Gamow in Green Mountain Cemetery, Boulder, Colorado, USA, un contenu abusif (raciste, pornographique, diffamatoire), http://www.aip.org/history/ohilist/4325.html, http://www.nature.com/cgi-taf/DynaPage.taf?file=nature/journal/v404/n6777/full/404437a0_r.html, "DNA: An "Amateur" Makes a Real Contribution", http://www.loc.gov/exhibits/treasures/trr115.html, Memorial Lecture Series (University of Colorado, at Boulder), "A Respectable Scientist" ~ Signal + Noise : All Models Are False, Some Are Useful (28 November 2003), Annotated bibliography for George Gamow from the Alsos Digital Library for Nuclear Issues, George Gamow: Combining physics with humor, http://images.google.com.au/imgres?imgurl=http://www.nndb.com/people/349/000099052/george-gamow-1-sized.jpg&imgrefurl=http://www.nndb.com/people/349/000099052/&usg=__UkHGUg2JUgBaAcpy9IVOqOSyT_s=&h=323&w=241&sz=23&hl=en&start=1&um=1&tbnid=hMllLEm587Ba7M:&tbnh=, anagramme, mot-croisé, joker, Lettris et Boggle, est motorisé par Memodata pour faciliter les, Georgiy Antonovich Gamov, Георгий Антонович Гамов.

Les jeux de lettres anagramme, mot-croisé, joker, Lettris et Boggle sont proposés par Memodata. He was educated at the Novorossiya University in Odessa (1922–23) and at the University of Leningrad (1923–1929). Fixer la signification de chaque méta-donnée (multilingue).

  Wherever it was essential, he used mathematics.

La plupart des définitions du français sont proposées par SenseGates et comportent un approfondissement avec Littré et plusieurs auteurs techniques spécialisés. He conveyed the excitement of the revolution in physics and other scientific topics of interest to the common reader. United States physicist (born in Russia) who was a proponent of the big-bang theory and who did research in radioactivity and suggested the triplet code for DNA (1904-1968).

Произнесете George Gamow на английски, Случайна дума: LA fenêtre fournit des explications et des traductions contextuelles, c'est-à-dire sans obliger votre visiteur à quitter votre page web ! Gamow published another paper in the British journal Nature later in 1948, in which he developed equations for the mass and radius of a primordial galaxy (which typically contains about one hundred billion stars, each with a mass comparable with that of the sun). Gamow himself prepared the illustrations for his books, which added a new dimension to and complemented what Gamow intended to convey in the text. Obtenir des informations en XML pour filtrer le meilleur contenu. Their work determined that the universe's background radiation was 2.7 degrees above absolute zero, just 2.3 degrees lower than Gamow's 1948 prediction. Gamow was working on a textbook entitled Basic Theories in Modern Physics, with Richard Blade, but it was not completed before he died. In quantum mechanics, however, there is a probability the particle can tunnel through the potential and escape. In Russia the division between school and the George Gamow was born on March 4, 1904 and died on August 19, 1968.  | Dernières modifications. He then worked at the Theoretical Physics Institute of the University of Copenhagen, from 1928 to 1931, with a break to work with Ernest Rutherford at the Cavendish Laboratory, Cambridge. Le dictionnaire des synonymes est surtout dérivé du dictionnaire intégral (TID). He discovered alpha decay via quantum tunneling and worked on radioactive decay of the atomic nucleus, star formation, stellar nucleosynthesis, big bang nucleosynthesis, Cosmic Microwave Background Radiation, nucleocosmogenesis and genetics. Gamow 25 April 1968, American Institute of Physics, Niels Bohr Library and Archives], dictionnaire et traducteur pour sites web. Weiner:I would like to start by asking you to think back to your early family life in Odessa. Lettris est un jeu de lettres gravitationnelles proche de Tetris. As related by Crick,[4] Gamow suggested that the twenty combinations of four DNA bases taken three at a time correspond to twenty amino acids used to form proteins. He was a proponent of the Big Bang theory and also suggested the triplet code of bases in DNA, which governs the synthesis of amino acids. Renseignements suite à un email de description de votre projet. Learn definitions, uses, and phrases with gamow.

By 1928, Gamow had solved the theory of the alpha decay of a nucleus via tunnelling, with mathematical help from Kochin[1]. The University of Colorado at Boulder Physics department tower is named after him. The three formed a group known as the Three Musketeers which met to discuss and analyze the ground-breaking papers on quantum mechanics published during those years. En poursuivant votre navigation sur ce site, vous acceptez l'utilisation de ces cookies. Chaque lettre qui apparaît descend ; il faut placer les lettres de telle manière que des mots se forment (gauche, droit, haut et bas) et que de la place soit libérée. The two attended and promptly defected. Nous contacter Astuce: parcourir les champs sémantiques du dictionnaire analogique en plusieurs langues pour mieux apprendre avec sensagent. George Gamow would have been 64 years old at the time of death or 111 years old today. Gamow studied under Alexander Friedmann for some time in Leningrad, though Friedmann died in 1925. Familiarity information: GEORGE GAMOW used as a noun is very rare. Gamow solved a model potential for the nucleus and derived from first principles a relationship between the half-life of the alpha-decay event process and the energy of the emission, which had been previously discovered empirically, and was known as the Geiger-Nuttall law.

His first two attempts to defect with his wife, Lyubov Vokhminzeva, were in 1932 and involved attempting to kayak: first a 250 kilometer paddle over the Black Sea to Turkey and then from Murmansk to Norway. Gamow produced an important cosmogony paper with his student Ralph Alpher, which was published as "The Origin of Chemical Elements" (Physical Review, April 1, 1948). Gamow had the name of Hans Bethe listed on the article as "H. Bethe, Cornell University, Ithaca, New York" to make a pun on the first three letters of the Greek alphabet, alpha, beta and gamma. Gamow is contained in 1 match in Merriam-Webster Dictionary. He continued to study the atomic nucleus (proposing the "liquid drop" model), but also worked on stellar physics with Robert Atkinson and Fritz Houtermans.  | Informations Copyright © 2000-2016 sensagent : Encyclopédie en ligne, Thesaurus, dictionnaire de définitions et plus. He began working at The George Washington University in 1934, where he published articles with Edward Teller, Mario Schenberg and Ralph Alpher. ○   Anagrammes Имате различен акцент? The paper outlined how the present levels of hydrogen and helium in the universe (which are thought to make up over 99% of all matter) could be largely explained by reactions that occurred during the "big bang". Later protein sequencing work proved that this could not be the case; the true genetic code is non-overlapping and degenerate, and changing the order of a combination of bases does change the amino acid. However the specific system proposed by Gamow (known as "Gamow's diamonds") was incorrect, as the triplets were supposed to be overlapping (so that in the sequence GGAC (for example), GGA could produce one amino acid and GAC another) and non-degenerate (meaning that each amino acid would correspond to one combination of three bases - in any order). American You must accept before continuing to use the site. George Gamow (Russian pronunciation: [ˈɡaməf]; March 4, 1904 – August 19, 1968) , born Georgiy Antonovich Gamov (Георгий Антонович Гамов), was a Russian Empire-born theoretical physicist and cosmologist. (For Gamow's derivation of this law, see [1].).

Accent: Georg Meissner ... George Washington Goethals, Click here to add the AudioEnglish.org dictionary. Astronomers and scientists did not make any effort to detect this background radiation at that time, due to both a lack of interest and the immaturity of microwave observation. Справочник за произношения: Научете се да произнасяте George Gamow на английски като носител на езика.

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