Category:Days of the year Category:November
af:10 November ar:ملحق:10 نوفمبر an:10 de noviembre frp:10 novembro ast:10 de payares az:10 noyabr bn:নভেম্বর ১০ bjn:10 Nupimbir zh-min-nan:11 goe̍h 10 ji̍t be:10 лістапада be-x-old:10 лістапада bcl:Nobyembre 10 bs:10. novembar br:10 Du bg:10 ноември ca:10 de novembre cv:Чӳк, 10 ceb:Nobiyembre 10 cs:10. listopad co:10 nuvembri cy:10 Tachwedd da:10. november de:10. November dv:ނޮވެމްބަރު 10 et:10. november el:10 Νοεμβρίου myv:Сундерьковонь 10 чи es:10 de noviembre eo:10-a de novembro eu:Azaroaren 10 fa:۱۰ نوامبر hif:10 November fo:10. november fr:10 novembre fy:10 novimber fur:10 di Novembar ga:10 Samhain gv:10 Mee Houney gd:10 an t-Samhain gl:10 de novembro gan:11月10號 gu:નવેમ્બર ૧૦ xal:Үкр сарин 10 ko:11월 10일 hy:Նոյեմբերի 10 hi:१० नवम्बर hr:10. studenog io:10 di novembro bpy:নভেম্বর ১০ id:10 November ia:10 de novembre is:10. nóvember it:10 novembre he:10 בנובמבר jv:10 November kl:Novemberi 10 kn:ನವೆಂಬರ್ ೧೦ pam:Nobiembri 10 krc:10 ноябрь ka:10 ნოემბერი csb:10 lëstopadnika kk:Қарашаның 10 sw:10 Novemba kv:10 вӧльгым ht:10 novanm ku:10'ê sermawezê la:10 Novembris lv:10. novembris lb:10. November lt:Lapkričio 10 li:10 november lmo:10 11 hu:November 10. mk:10 ноември ml:നവംബർ 10 mr:नोव्हेंबर १० xmf:10 გერგობათუთა arz:10 نوفمبر ms:10 November mn:11 сарын 10 nah:Tlamahtlāccēti 10 nl:10 november nds-nl:10 november ne:१० नोभेम्बर new:नोभेम्बर १० ja:11月10日 nap:10 'e nuvembre no:10. november nn:10. november nrm:10 Novembre nov:10 de novembre oc:10 de novembre mhr:10 Кылме uz:10-noyabr pa:੧੦ ਨਵੰਬਰ pag:November 10 nds:10. November pl:10 listopada pt:10 de novembro ro:10 noiembrie qu:10 ñiqin ayamarq'a killapi rue:10. новембер ru:10 ноября sah:Сэтинньи 10 se:Skábmamánu 10. sco:10 November sq:10 Nëntor scn:10 di nuvèmmiru simple:November 10 sk:10. november sl:10. november ckb:١٠ی تشرینی دووەم sr:10. новембар sh:10.11. su:10 Nopémber fi:10. marraskuuta sv:10 november tl:Nobyembre 10 ta:நவம்பர் 10 kab:10 wember tt:10 ноябрь te:నవంబర్ 10 th:10 พฤศจิกายน tg:10 ноябр tr:10 Kasım tk:10 noýabr uk:10 листопада ur:10 نومبر vec:10 de novenbre vi:10 tháng 11 vo:Novul 10 fiu-vro:10. märtekuu päiv wa:10 di nôvimbe vls:10 november war:Nobyembre 10 yi:10טן נאוועמבער yo:10 November zh-yue:11月10號 bat-smg:Lapkristė 10 zh:11月10日This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Volume 10 is featured in Ava DuVernay's 2008 hip hop documentary ''This Is the Life''.
Chart (1994) | Peakposition |
align="left" | |
;Singles
Billboard Hot 100 | Hot R&B;/Hip-Hop Singles & Tracks | Hot Rap Singles | ||
"Pump" |
"Pistol Grip Pump" was also featured in the movie ''Set It Off'' but was briefly heard.
"Pistol Grip Pump" was featured on the video game ''Def Jam: Fight For New York'' as a soundtrack song.
This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Coordinates | 34°03′″N118°15′″N |
---|---|
Name | Stephen Hawking |
Birth name | Stephen William Hawking |
Birth date | January 08, 1942 |
Birth place | Oxford, England, United Kingdom |
Residence | United Kingdom |
Nationality | British |
Fields | Applied mathematicsTheoretical physicsCosmology |
Workplaces | Cambridge UniversityCalifornia Institute of TechnologyPerimeter Institute for Theoretical Physics |
Alma mater | Oxford UniversityCambridge University |
Doctoral advisor | Dennis Sciama |
Academic advisors | Robert Berman |
Doctoral students | Bruce AllenRaphael BoussoFay DowkerMalcolm PerryBernard CarrGary GibbonsHarvey ReallDon PageTim PrestidgeRaymond LaflammeJulian Luttrell |
Known for | Black holesTheoretical cosmologyQuantum gravityHawking radiation |
Influences | Dikran TahtaAlbert Einstein |
Awards | |
Spouse | Jane Hawking(m. 1965–1991, divorced)Elaine Mason(m. 1995–2006, divorced) |
Signature | Hawkingsig.svg }} |
Stephen William Hawking, CH, CBE, FRS, FRSA (born 8 January 1942) is a British theoretical physicist and cosmologist, whose scientific books and public appearances have made him an academic celebrity. He is an Honorary Fellow of the Royal Society of Arts, a lifetime member of the Pontifical Academy of Sciences, and in 2009 was awarded the Presidential Medal of Freedom, the highest civilian award in the United States.
Hawking was the Lucasian Professor of Mathematics at the University of Cambridge for 30 years, taking up the post in 1979 and retiring on 1 October 2009. He is now Director of Research at the Centre for Theoretical Cosmology in the Department of Applied Mathematics and Theoretical Physics at the University of Cambridge. He is also a Fellow of Gonville and Caius College, Cambridge and a Distinguished Research Chair at the Perimeter Institute for Theoretical Physics in Waterloo, Ontario. He is known for his contributions to the fields of cosmology and quantum gravity, especially in the context of black holes. He has also achieved success with works of popular science in which he discusses his own theories and cosmology in general; these include the runaway best seller ''A Brief History of Time'', which stayed on the British ''Sunday Times'' best-sellers list for a record-breaking 237 weeks.
Hawking's key scientific works to date have included providing, with Roger Penrose, theorems regarding gravitational singularities in the framework of general relativity, and the theoretical prediction that black holes should emit radiation, which is today known as Hawking radiation (or sometimes as Bekenstein–Hawking radiation).
Hawking has a motor neurone disease that is related to amyotrophic lateral sclerosis, a condition that has progressed over the years and has left him almost completely paralysed.
After Hawking was born, the family moved back to London, where his father headed the division of parasitology at the National Institute for Medical Research. In 1950, Hawking and his family moved to St Albans, Hertfordshire, where he attended St Albans High School for Girls from 1950 to 1953. (At that time, boys could attend the Girls' school until the age of ten.) From the age of eleven, he attended St Albans School, where he was a good, but not exceptional, student. When asked later to name a teacher who had inspired him, Hawking named his mathematics teacher Dikran Tahta. He maintains his connection with the school, giving his name to one of the four houses and to an extracurricular science lecture series. He has visited it to deliver one of the lectures and has also granted a lengthy interview to pupils working on the school magazine, ''The Albanian''.
Hawking was always interested in science. Inspired by his mathematics teacher, he originally wanted to study the subject at university. However, Hawking's father wanted him to apply to University College, Oxford, where his father had attended. As University College did not have a mathematics fellow at that time, it would not accept applications from students who wished to read that discipline. Hawking therefore applied to read natural sciences, in which he gained a scholarship. Once at University College, Hawking specialised in physics. His interests during this time were in thermodynamics, relativity, and quantum mechanics. His physics tutor, Robert Berman, later said in ''The New York Times Magazine'':
Hawking was passing, but his unimpressive study habits resulted in a final examination score on the borderline between first and second class honours, making an "oral examination" necessary. Berman said of the oral examination:
After receiving his B.A. degree at Oxford in 1962, he stayed to study astronomy. He decided to leave when he found that studying sunspots, which was all the observatory was equipped for, did not appeal to him and that he was more interested in theory than in observation. He left Oxford for Trinity Hall, Cambridge, where he engaged in the study of theoretical astronomy and cosmology.
Hawking was elected as one of the youngest Fellows of the Royal Society in 1974, was created a Commander of the Order of the British Empire in 1982, and became a Companion of Honour in 1989. Hawking is a member of the Board of Sponsors of the ''Bulletin of the Atomic Scientists''.
In 1974, he accepted the Sherman Fairchild Distinguished Scholar visiting professorship at the California Institute of Technology (Caltech) to work with his friend, Kip Thorne, who was a faculty member there. He continues to have ties with Caltech, spending a month each year there since 1992.
Hawking's achievements were made despite the increasing paralysis caused by the ALS. By 1974, he was unable to feed himself or get out of bed. His speech became slurred so that he could be understood only by people who knew him well. In 1985, he caught pneumonia and had to have a tracheotomy, which made him unable to speak at all. A Cambridge scientist built a device that enables Hawking to write onto a computer with small movements of his body, and then have a voice synthesiser speak what he has typed.
In the late 1960s, he and his Cambridge friend and colleague, Roger Penrose, applied a new, complex mathematical model they had created from Albert Einstein's theory of general relativity. This led, in 1970, to Hawking proving the first of many singularity theorems; such theorems provide a set of sufficient conditions for the existence of a gravitational singularity in space-time. This work showed that, far from being mathematical curiosities which appear only in special cases, singularities are a fairly generic feature of general relativity.
He supplied a mathematical proof, along with Brandon Carter, Werner Israel and D. Robinson, of John Wheeler's no-hair theorem – namely, that any black hole is fully described by the three properties of mass, angular momentum, and electric charge.
Hawking also suggested upon analysis of gamma ray emissions that after the Big Bang, primordial mini black holes were formed. With Bardeen and Carter, he proposed the four laws of black hole mechanics, drawing an analogy with thermodynamics. In 1974, he calculated that black holes should thermally create and emit subatomic particles, known today as Bekenstein-Hawking radiation, until they exhaust their energy and evaporate.
In collaboration with Jim Hartle, Hawking developed a model in which the universe had no boundary in space-time, replacing the initial singularity of the classical Big Bang models with a region akin to the North Pole: one cannot travel north of the North Pole, as there is no boundary. While originally the no-boundary proposal predicted a closed universe, discussions with Neil Turok led to the realisation that the no-boundary proposal is also consistent with a universe which is not closed.
Along with Thomas Hertog at CERN, in 2006 Hawking proposed a theory of "top-down cosmology," which says that the universe had no unique initial state, and therefore it is inappropriate for physicists to attempt to formulate a theory that predicts the universe's current configuration from one particular initial state. Top-down cosmology posits that in some sense, the present "selects" the past from a superposition of many possible histories. In doing so, the theory suggests a possible resolution of the fine-tuning question: It is inevitable that we find our universe's present physical constants, as the current universe "selects" only those past histories that led to the present conditions. In this way, top-down cosmology provides an anthropic explanation for why we find ourselves in a universe that allows matter and life, without invoking an ensemble of multiple universes.
Hawking's many other scientific investigations have included the study of quantum cosmology, cosmic inflation, helium production in anisotropic Big Bang universes, large N cosmology, the density matrix of the universe, topology and structure of the universe, baby universes, Yang-Mills instantons and the S matrix, anti de Sitter space, quantum entanglement and entropy, the nature of space and time, including the arrow of time, spacetime foam, string theory, supergravity, Euclidean quantum gravity, the gravitational Hamiltonian, Brans-Dicke and Hoyle-Narlikar theories of gravitation, gravitational radiation, and wormholes.
At a George Washington University lecture in honour of NASA's fiftieth anniversary, Hawking theorised on the existence of extraterrestrial life, believing that "primitive life is very common and intelligent life is fairly rare."
Hawking was in the news in July 2004 for presenting a new theory about black holes which goes against his own long-held belief about their behaviour, thus losing a bet he made with Kip Thorne and John Preskill of Caltech. Classically, it can be shown that information crossing the event horizon of a black hole is lost to our universe, and that thus all black holes are identical beyond their mass, electrical charge and angular velocity (the "no hair theorem"). The problem with this theorem is that it implies the black hole will emit the same radiation regardless of what goes into it, and as a consequence that if a pure quantum state is thrown into a black hole, an "ordinary" mixed state will be returned. This runs counter to the rules of quantum mechanics and is known as the black hole information paradox.
At the celebration of his sixty-fifth birthday on 8 January 2007, Hawking announced his plan to take a zero-gravity flight in 2007 to prepare for a sub-orbital spaceflight in 2009 on Virgin Galactic's space service. Billionaire Richard Branson pledged to pay all expenses for the latter, costing an estimated £100,000. Stephen Hawking's zero-gravity flight in a "''Vomit Comet''" of Zero Gravity Corporation, during which he experienced weightlessness eight times, took place on 26 April 2007. He became the first quadriplegic to float in zero-gravity. This was the first time in forty years that he moved freely, without his wheelchair. The fee is normally US$3,750 for 10–15 plunges, but Hawking was not required to pay the fee. A bit of a futurist, Hawking was quoted before the flight saying: }} In an interview with ''The Daily Telegraph'', he suggested that space was the Earth's long term hope. He continued this theme at a 2008 Charlie Rose interview.
Stephen Hawking is severely disabled by a motor neurone disease known as Amyotrophic lateral sclerosis (ALS), sometimes known as Lou Gehrig's disease. Hawking's illness is markedly different from typical ALS because if confirmed, Hawking's case would make for the most protracted case ever documented. A survival for more than ten years after diagnosis is uncommon for ALS; the longest documented durations, other than Hawking's, are 32 and 39 years and these cases were termed benign because of the lack of the typical progressive course.
When he was young, he enjoyed riding horses. At Oxford, he coxed a rowing team, which, he stated, helped relieve his immense boredom at the university. Symptoms of the disorder first appeared while he was enrolled at University of Cambridge; he lost his balance and fell down a flight of stairs, hitting his head. Worried that he would lose his genius, he took the Mensa test to verify that his intellectual abilities were intact. The diagnosis of motor neurone disease came when Hawking was 21, shortly before his first marriage, and doctors said he would not survive more than two or three years. Hawking gradually lost the use of his arms, legs, and voice, and as of 2009 has been almost completely paralysed.
During a visit to the research centre CERN in Geneva in 1985, Hawking contracted pneumonia, which in his condition was life-threatening as it further restricted his already limited respiratory capacity. He had an emergency tracheotomy, and as a result lost what remained of his ability to speak. He has since used an electronic voice synthesiser to communicate.
The DECtalk DTC01 voice synthesiser he uses, which has an American English accent, is no longer being produced. Asked why he has still kept it after so many years, Hawking mentioned that he has not heard a voice he likes better and that he identifies with it. Hawking is said to be looking for a replacement since, aside from being obsolete, the synthesiser is both large and fragile by current standards. As of mid 2009, he was said to be using NeoSpeech's VoiceText speech synthesiser.
In Hawking's many media appearances, he appears to speak fluently through his synthesiser, but in reality, it is a tedious drawn-out process. Hawking's setup uses a predictive text entry system, which requires only the first few characters in order to auto-complete the word, but as he is only able to use his cheek for data entry, constructing complete sentences takes time. His speeches are prepared in advance, but having a live conversation with him provides insight as to the complexity and work involved. During a TED Conference talk, it took him seven minutes to answer a question.
He describes himself as lucky, despite his disease. Its slow progression has allowed him time to make influential discoveries and has not hindered him from having, in his own words, "a very attractive family." When his wife, Jane, was asked why she decided to marry a man with a three-year life expectancy, she responded, "Those were the days of atomic gloom and doom, so we all had a rather short life expectancy." On 20 April 2009, Cambridge University released a statement saying that Hawking was "very ill" with a chest infection, and was admitted to Addenbrooke's Hospital. The following day, it was reported that his new condition was "comfortable" and he would make a full recovery from the infection.
Hawking supports the children's charity SOS Children's Villages UK.
In 1999, Jane Hawking published a memoir, ''Music to Move the Stars'', detailing the marriage and his breakdown; in 2010 she published a revised version, ''Travelling to Infinity, My Life with Stephen''. Hawking's daughter, Lucy, is a novelist. Their oldest son, Robert, emigrated to the United States, married, and has a son. After a period of estrangement, Hawking and his first family were reconciled in 2007.
His view on how to live life is to "seek the greatest value of our action".
Hawking was asked about his IQ in a 2004 newspaper interview, and replied, "I have no idea. People who boast about their I.Q. are losers." Yet when asked "Are you saying you are not a genius?", Hawking replied "I hope I'm near the upper end of the range."
Hawking strongly opposed the US-led Iraq War, calling it "a war crime" and "based on lies". In 2004, he personally attended a demonstration against the war in Trafalgar Square, and participated in a public reading of the names of Iraqi war victims.
His ex-wife, Jane, said during their divorce proceedings that he was an atheist. Hawking has stated that he is "not religious in the normal sense" and he believes that "the universe is governed by the laws of science. The laws may have been decreed by God, but God does not intervene to break the laws." In an interview published in ''The Guardian'' newspaper, Hawking regarded the concept of Heaven as a myth, stating that there is "no heaven or afterlife" and that such a notion was a "fairy story for people afraid of the dark."
Hawking contrasted religion and science in 2010, saying: "There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win because it works."
;Dated
Category:1942 births Category:Academics of the University of Cambridge Category:Adams Prize recipients Category:Albert Einstein Medal recipients Category:Alumni of Trinity Hall, Cambridge Category:Alumni of University College, Oxford Category:Calculating prodigies Category:Commanders of the Order of the British Empire Category:Cosmologists Category:English astronomers Category:English theoretical physicists Category:English science writers Category:Fellows of Gonville and Caius College, Cambridge Category:Fellows of the Royal Society Category:People educated at St Albans School, Hertfordshire Category:Honorary Fellows of University College, Oxford Category:Living people Category:Lucasian Professors of Mathematics Category:Members of the Department of Applied Mathematics and Theoretical Physics Category:Members of the United States National Academy of Sciences Category:Members of the Order of the Companions of Honour Category:Members of the Pontifical Academy of Sciences Category:People from Oxford Category:People from St Albans Category:People with motor neurone disease Category:Presidential Medal of Freedom recipients Category:Recipients of the Copley Medal Category:Recipients of the Gold Medal of the Royal Astronomical Society Category:Religious skeptics Category:Wolf Prize in Physics laureates Category:20th-century philosophers Category:21st-century philosophers Category:People educated at St Albans High School for Girls
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