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Topic: Felix Bloch

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  Felix Bloch Biography | Encyclopedia of World Biography
Felix Bloch (1905-1983) is best known for his development of nuclear magnetic resonance techniques, which allowed highly precise measurements of the magnetism of atomic nuclei and became a powerful tool in both physics and chemistry to analyze large molecules.
Bloch was born in Zurich, Switzerland, on October 23, 1905, the son of Agnes Mayer Bloch and Gustav Bloch, a wholesale grain dealer.
The Bloch T 3/2 law describes how magnetization in ferromagnetic material is dependent upon temperature, Bloch walls are the transition region between parts of a ferromagnetic crystal that are magnetized with different orientations, and the Bloch theorem eliminates some of the possible explanations for superconductivity.
www.bookrags.com /biography/felix-bloch   (1760 words)

 Felix Bloch, Neutron Induction, Bloch Equations, Bloch Theorem, Bloch States
Stressing "the importance both of demonstrating the neutron's magnetic moment and of determining its magnitude", Felix Bloch began his research on neutron physics at Stanford [University] in early 1936.
Bloch, collaborating with [Hans] Bethe, [Edward] Teller, and [Hans] Staub, used the homemade Stanford cyclotron for the first experimental determination of the energy distribution of neutrons from fission.
Bloch was recognized for his achievements when he was awarded the 1952 Nobel Prize for Physics for the ‘development of new methods for nuclear magnetic precision measurements and discoveries in connection therewith'.
www.osti.gov /accomplishments/bloch.html   (711 words)

 Felix Bloch Biography | World of Scientific Discovery
Felix Bloch is one of two scientists who, working independently, simultaneously discovered a process by which the magnetic properties of atoms could be observed and measured.
Bloch was born and educated in Zurich, Switzerland.
Bloch's first major research in America came during World War II, when he was assigned to the atomic bomb project at the Los Alamos Laboratory.
www.bookrags.com /biography/felix-bloch-wsd   (425 words)

 Physicists biographies   (Site not responding. Last check: 2007-10-14)
Felix Bloch was born in Zurich, Switzerland, on October 23, 1905, as the son of Gustav Bloch and Agnes Bloch (née Mayer).
During the war years Dr. Bloch was also engaged in the early stages of the work on atomic energy at Stanford University and Los Alamos and later in counter-measures against radar at Harvard University.
Bloch married in 1940 Dr. Lore Misch, a refugee from Germany and herself a physicist.
phisicist.info /bloch.html   (787 words)

 The World’s Most Notorious Bus Driver? Felix Bloch
Bloch was a healthy and aristocratic looking fellow who resembled what Hunter S. Thompson would have looked like if he had avoided his addictions to drugs and alcohol.
Felix Bloch, after all, had served as a senior United States diplomat in Austria from 1980 to 1987; while, Reine Gikman was known to be one of the top KGB officers stationed in Vienna.
Felix was wise to hold to his claims of innocence because the only evidence the FBI had at that time was a couple of innocuous phone calls and a meeting with a man whom Felix insisted was only a fellow stamp collector.
www.nbeaujon.com /bloch.htm   (1139 words)

 Felix Bloch (alleged spy) - Wikipedia, the free encyclopedia
Felix Bloch (born 1933) a former senior American diplomat living in Washington, D.C., and the second most important in the U.S. embassy in Vienna, has fallen under accusations of espionage activities to the Soviet Union, thus becoming the most important person to fall under such accusations since World War II.
Accusations of espionage caused Bloch to lose his prestigious position that he held for 32 years, and he currently works as a bus driver in North Carolina, as he has been stripped of claim to any pension.
Bloch and a man identified as "Gilkman"—later assumed to be a spy for the Russian KGB—had made plans to meet in Paris.
en.wikipedia.org /wiki/Felix_Bloch_(alleged_spy)   (472 words)

 [No title]
Felix Bloch was born in Zurich, Switzerland on October 23, 1905, the son of Jewish parents Gustav and Agnes Bloch.
Bloch's thesis, published in 1928, established him as a brilliant young theorist and still serves as the basis for the study of electron conduction in metals.
Bloch also wrote a biography of William Webster Hansen for the National Academy of Sciences, although none of the notes for this are in the collection.
www-sul.stanford.edu /depts/spc/xml/sc0303.xml   (5775 words)

 The Independent: Ye Olde Archives: Triangles: Spy Like Us?
Bloch was never charged with espionage, but the affidavit spells out much of why some government officials thought he should have been.
(Bloch had served at the U.S. Embassy in Vienna from 1980 to 1987.) The next day, the FBI opened a classified investigation of Bloch, who was then serving as a high-ranking Europe specialist at the State Department.
Bloch had been working at Harris Teeter for less than a year when he was arrested in January 1993 for trying to take $100 worth of groceries from the store without paying.
www.indyweek.com /durham/2001-03-07/triangles.html   (1879 words)

 Bloch Resources & Information - bloch dance sneakers
In denny bloch 1936, the Ministry for the Air engaged a programme of modernisation of French aviation which included a request concerning a general-purpose passenger aircraft that could also be used for missions bloch tap shoes of light bombardment bloch jazz boots and reconnaissance.
bloch dance ben bloch wear This was a major limiting factor on the aircraft's effectiveness against the Wehrmacht during the jordon bloch Blitzkrieg.
Its fuselage bloch jazz trainers was lengthened and widened to accommodate this greater capacity, but only 25 specimens of the MB.175 were delivered before ernest bloch the defeat.
www.bizhisto.com /Biz-Retail-Companies-Bc---Bz/Bloch.html   (761 words)

 Felix Hotel
Felix (Latin for "lucky") is the name of many different individuals, both real and fictional.
This page is about the physicist; there was another Felix Bloch, a US State Department official accused of working with the Soviets.
Felix Hausdorff (November 8 1868 - January 26 1942) was a German mathematician who is considered to be one of the founders of modern topology and who contributed significantly to set theory and functional analysis.
www.artistbooking.com /trips/60/felix-hotel.html   (1327 words)

 Adler Felix - Search Results - ninemsn Encarta   (Site not responding. Last check: 2007-10-14)
Adler, Felix (1851-1933), German-American educator and reformer, born in Alzey, Germany.
Felix V (1383-1451), the last of the antipopes (1440-1449).
Born Amadeus in Chambéry, he became count of Savoy as Amadeus VIII in 1391.
au.encarta.msn.com /Adler_Felix.html   (109 words)

 USATODAY.com - Charge: Hanssen foiled '89 spy pursuit   (Site not responding. Last check: 2007-10-14)
Shortly afterward, Bloch, the head of the State Department's European section, was tipped off to the investigation by FBI counterintelligence specialist Robert Hanssen, the FBI says in an affidavit it filed last week.
According to the affidavit and interviews with intelligence sources, the investigation of Bloch began in late April 1989 after he was detected on a wiretap talking to Reino Gikman, an undercover agent for the Soviet KGB who operated in Western Europe.
The CIA, working with the French, proposed that Bloch be nabbed en route to the Paris meeting or during a second meeting scheduled with Gikman for Brussels later in May. A team was assembled and a plan was developed to grab Bloch off the street and confront him with evidence.
www.usatoday.com /news/washington/2001-02-25-spypursuit.htm   (786 words)

 Bloch Felix - Search Results - MSN Encarta
Bloch, Felix (1905-1983), Swiss-American physicist, born in Zurich, and one of the pioneers of solid-state physics.
Bloch, Maurice Émile Félix (1939-), British anthropologist known for his interest in Marxist ideas and anthropology, his work on Madagascar, and...
Nuclear Magnetic Resonance, technique developed in the late 1940s by the Swiss-born United States physicist Felix Bloch for the spectroscopic analysis...
uk.encarta.msn.com /Bloch_Felix.html   (107 words)

 Photonic Bloch Waves
A paper exploring the strong dispersion in one-dimensional periodic structures, illustrating for the first time the propagation of a Bloch wave pulse in a fibre Bragg grating, was published in 1991 [15].
In two further studies this work was extended to the design of hexagonal photonic crystal films both as waveguides [19] and as high Q resonators [20].
This was followed by the design of a quasi-metallic (sometimes known as omni-directional) multilayer structure that exhibited all the features of a photonic band gap material, providing strong suppression of spontaneous emission [24].
people.bath.ac.uk /pyspsjr/PC_website/Photonic_Bloch_Waves.htm   (1020 words)

 Physics Tank enters history: 8/27/97
Bloch, who died in 1983, taught at Stanford for a half century and in 1952 became the university's first Nobel laureate.
According to a 1989 proposal calling for the tank's name change, Bloch's work on the theory of metals in 1929 laid the foundation for the development of semiconductors, which in turn led to the development of the transistor, the integrated circuit and, ultimately, the personal computer.
Allen's link to Felix Bloch dates back to a morning in 1952 when the newly named Nobel Prize winner said he wanted to finish an 8 a.m.
news-service.stanford.edu /news/1997/august27/bloch.html   (1055 words)

 USNews.com: The Bloch Case: Shnook or Spy?
Still, the FBI wanted Bloch badly, even bringing a former Viennese prostitute before a Washington grand jury to testify that she received $10,000 from Bloch over seven years.
Bloch himself was never tried, and he maintains his innocence.
Once the investigation leaked to the press, Bloch became a news media sensation, leading to the spectacle of FBI agents jockeying with hordes of reporters and television cameras to follow the suspected Soviet spy.
www.usnews.com /usnews/news/articles/010305/archive_004810.htm   (539 words)

 Metro Magazine
Robert Hanssen, the notorious FBI officer turned Soviet agent, confessed that he was the one who tipped off Bloch in 1991 that US government agents were on to him, giving him time to run as far from the incriminating evidence as possible.
Reporters chased Bloch from pillar to post in Paris and Washington after it was leaked that he was to be arrested.
And Bloch should not be characterized simply by the publicity created around his two shoplifting convictions in Chapel Hill or by the lowliness of his occupations as a food clerk and bus driver.
www.metronc.com /article/?id=54   (1104 words)

 Felix Bloch
Felix Bloch was born into a Jewish family in Zurich, Switzerland, on 23rd October, 1905.
In 1928 Bloch published his doctoral thesis which became the basis for the quantum theory of electrical conduction.
After the war Bloch returned to Stanford University where he continued his research and in 1953 he won the Nobel Prize for his work on nuclear magnetic resonance.
www.spartacus.schoolnet.co.uk /SCbloch.htm   (198 words)

 No. 89-47   (Site not responding. Last check: 2007-10-14)
Bloch stays at home of Austrian Foreign Minister Mock and accompanies him to a farewell dinner for Turkish ambassador.
Allegations that Bloch was working for the Soviets are the result of a new "wave of spy mania" caused by the U.S. media.
Bloch was cooperating with the KGB for a long time, then probably he was recruited before he got upset about this Ambassador or other ambassadors.
www.security-policy.org /papers/1989/89-47.html   (1250 words)

 Magnetic Resonance Imagin... - A Different Kind of Reson...
Both Purcell and Bloch chose to study the proton --the nucleus of the hydrogen atom (H).
The two research groups placed the samples in a magnetic field and waited for their nuclei to reach thermal and magnetic equilibrium, a magnetized state in which slightly more of the nuclei are aligned parallel to the external field than antiparallel to it.
Purcell and Bloch hoped to detect magnetic resonance by observing the energy that precessing nuclei absorbed or gave to the radio frequency
www.beyonddiscovery.org /content/view.page.asp?I=132   (656 words)

 The Bloch Theorem   (Site not responding. Last check: 2007-10-14)
Felix Bloch in his "Reminiscences of Heisenberg and the early days of quantum mechanics" explains how his investigation of the theory of conductivity in metal led to what is now known as the Bloch Theorem.
For example, if the wavefunction is for a lattice with boundaries then it is not of the Bloch form.
The wavefunction of two or more interacting electrons is not of the Bloch form.
www2.sjsu.edu /faculty/watkins/bloch.htm   (292 words)

 UW Press - : Mrs. Dumpty, Chana Bloch
What interests Chana Bloch is the inner life: how we are formed by our losses and our parents' losses, how we learn what we need to know through our intuitions and confusions, how we deny and delay and finally discover who we are.
For even while Bloch offers us a chronicle of pain, she demonstrates that 'the end of safety' is the beginning of revelation and transformation, as 'Lightning flares at the windows / zinc-white' in a 'wind that can drive / a nail through a tree trunk.'"—Sandra Gilbert
Chana Bloch has published two books of poems, The Secrets of the Tribe and The Past Keeps Changing, as well as translations of the biblical Song of Songs and work by the Israeli poets Dahlia Ravikovitch and Yehuda Amichai.
www.wisc.edu /wisconsinpress/books/0512.htm   (374 words)

 Felix Bloch - Search Results - MSN Encarta
Felix Bloch - Search Results - MSN Encarta
The U.S. government launched an offensive against violent crime and drug trafficking in 1989 with a ban on imported semiautomatic rifles, the appointment of a drug czar charged with coordinating federal drug policy, and a national drug control strategy that called for increased spending for law...
Search for books about your topic, "Felix Bloch"
encarta.msn.com /Felix_Bloch.html   (103 words)

 Stanford University Department of Physics: History
It was not until the arrival of Swiss physicist Felix Bloch, however, in 1934, that physics research at Stanford truly caught fire.
A refugee from the Nazis, Bloch was only 28 years old when he answered David Webster's invitation to join the Stanford faculty.
Encouraged initially by Enrico Fermi to do experimental physics because, among other things, it was "fun," in 1938 Bloch (in collaboration with Luis Alvarez) made the first experimental measurement of the magnetic moment of the neutron, marking the beginning of the work for which he is perhaps best known.
www.stanford.edu /dept/physics/history/index.html   (2116 words)

 Bloch Felix 1905 Oral history interview with Felix Bloch, 1968 August 15. AIP International Catalog of Sources
Bloch Felix 1905 Oral history interview with Felix Bloch, 1968 August 15.
Oral history interview with Felix Bloch, 1968 August 15.
Oral History Interview may be read and quoted by any researcher with an access application on file, and excerpts may be copied.
www.aip.org /history/catalog/icos/4510.html   (133 words)

 Intro to Stanford : Research : Magnetic Resonance Image (MRI)   (Site not responding. Last check: 2007-10-14)
Felix Bloch shared the 1952 Nobel Prize in physics for work on nuclear magnetic resonance (NMR).
NMR provided the basis for magnetic resonance imaging (MRI), which is now widely used for medical diagnosis and study of the atomic structure of materials.
NewsReel photographers interview Felix Bloch after he wins the 1952 Nobel Prize.
www.stanford.edu /home/welcome/research/mri.html   (76 words)

 Felix Bloch - Wikipedia (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-14)
Zwischen 1924 und 1927 studierte Bloch an der ETH Zürich Mathematik und Physik.
Bloch entwickelte hier auch ein Rechenmodell für die Bandstruktur und die Energiestruktur von Elektronen in einem idealem Kristall, die so genannte Bloch-Summe.
Bloch war 1954 bis 1955 Generaldirektor des CERN in Genf.
de.wikipedia.org.cob-web.org:8888 /wiki/Felix_Bloch   (240 words)

 Ernest Bloch - Search Results - MSN Encarta   (Site not responding. Last check: 2007-10-14)
Ernest Bloch - Search Results - MSN Encarta
Bloch, Ernest (1880-1959), Swiss-American composer, known for his works on Jewish themes and, in American music, for his influence as a teacher.
Bloch, Konrad Emil (1912-2000), German-born American biochemist, who shared the 1964 Nobel Prize in physiology or medicine with German biochemist...
ca.encarta.msn.com /Ernest_Bloch.html   (92 words)

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