爱因斯坦ppt演示课件.pptx

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1、Einsteinthe greatest scientist of the 20th century 1introduction2Main contribution34conclusionCatalog AlbertEinsteinSpirit&philosophyintroductionEinsteinwasbornin1879inUlm,acityinGermany.Asaboy,hewasslowtolearntotalk,butlaterinhischildhoodheshowedgreatcuriosityaboutnatureandabilitytosolvedifficultma

2、thematicalproblems.Afterheleftschool,hewenttoSwitzerland,wherehegraduatedfromtheuniversitywithadegreeinmathematics.AlbertEinsteinIn1905,Einsteinbegantopublishaseriesofpaperswhichshookthewholescientificandintellectualworld,andforthetheoriesheestablishedinthepapershewontheNobelPrizeforPhysicsin1921.Be

3、causeEinsteinwasJewish,whenHitlertookoverGermanyin1933,hehadtoleavethecountryandfinallysettledintheUnitedStates.Therehecontinuedhisstudyonthestructureoftheuniverseuntilhisdeathin1955.Main contributionThe main contribution 1905 Brownian motion1905Special relativity1905Einstein field equation1905Photo

4、electric effect1915GeneralRelativity 1905E=mc2Bose-Einstein statisticsTheCenturysGreatestMindsThescientifictouchstonesofthemodernagetheBomb,spacetravel,electronics,Quantumphysicsallbearhisimprint.About the general relativityIn general relativity,time is considered a dimension like height,width and d

5、epth,creating a four dimensional universe called space-time.Einstein argued that gravity is really a warping of space-time,with the greatest distortions near the most massive objects.Because light travels in a straight line through the contours of space-time,a light beam will curve where space-time

6、curves,this curving was first measured in 1919 Spirit&philosophyIn his native Germany he became a target for hatred.As a Jew,a liberal,a humanist,an internationalist,he attracted the enmity of rationalist and anti-semites.His was now a powerful voice,widely heard,always attended to,especially after

7、he moved to the U.S.He used it to promote zionism,pacifism,in his secret 1939 letter to Franklin D.Roosevelt,the construction of a uranium bomb.HEISAPACIFISTMeanwhile,like any demigod,he made bits of legend:that he failed math in school(not true).That he opened a book and found an uncashed$1,500 che

8、ck he had left as a bookmark(maybe-he was absentminded about everyday affairs).That he was careless about socks,collars,slippers that he couldnt even remember his address:112 Mercer Street in Princeton,where he finally settled.Lifeiscasual,workisrigorousHe died there in 1955 And after the rest of Ei

9、nstein had been cremated,his brain remained,soaking for decades in a jar of formaldehyde belonging to Dr.Thomas Harvey.No one had bothered to dissect the brain of Freud,Stravinsky or Joyce,but in the 1980s,bits of Einsteinian gray matter were making the rounds of certain neurobiologists,who thus lea

10、rned absolutely nothing.It was just a brainthe brain that dreamed a plastic fourth dimension,that banished the ether,that released the pins binding us to absolute space and time,that refused to believe God played dice.conclusionAlbert Einstein was considered the greatest scientist of the 20th century and one of the greatest of all time.His discoveries and theories have greatly influenced science in many fields.Thevalueofamanresidesinwhathegivesandnotinwhatheiscapableofreceiving。Albert Einstein THANK YOU