英语作文介绍科学家

 我来答
学海语言教育
2022-07-21 · TA获得超过5533个赞
知道大有可为答主
回答量:4909
采纳率:100%
帮助的人:229万
展开全部
MarieCurie,orratherMaryaSklodowska,wasborninWarsawonNovember7,1867.Atthetime,thePolishcapitalwasoccupiedbytheRussians,whowereseekingtoweakenthelocalélitebutnonethelesstoleratedtheburgeoningofthepositivistdoctrineadvocatedbyAugusteComte.Basedonthevalueofexperienceandscientificreality,andappliedtosociety,itwasformanyintellectualsthepathofprogress;itwastoleaveanindeliblemarkonMarya.Bornintoafamilyofteachersandbroughtupinanenvironmentmarkedbyasenseofdutyandalackofmoney,sheledthemostSpartanoflives.Fromtheprematuredeathofoneofhersisters,andlaterofhermother,shedrewtheagnosticismthatwouldlaterbolsterherfaithinscience.Asabrilliantandmaturestudentwithararegiftofconcentration,Maryaharbouredthedreamofascientificcareer,aconceptinconceivableforawomanatthattime.Butlackoffundsmeantshewasforcedtobecomeaprivatetutor.ShemadehugefinancialsacrificessothathersisterBroniacouldfulfilherwishofstudyingmedicineinParis,nurturingthehopethatthefavourmightbereturned

爱因斯坦的

AlbertEinstein:1879-1955

ByNielsBohrandI.I.Rabi

WiththedeathofAlbertEinstein,alifeintheserviceofscienceandhumanitywhichwasasrichandfruitfulasanyinthewholehistoryofourculturehascometoanend.MankindwillalwaysbeindebtedtoEinsteinfortheremovaloftheobstaclestoouroutlookwhichwereinvolvedintheprimitivenotionsofabsolutespaceandtime.Hegaveusaworldpicturewithaunityandharmonysurpassingtheboldestdreamsofthepast.

Einstein'sgenius,characterizedequallybylogicalclarityandcreativeimagination,succeededinremoldingandwideningtheimposingedificewhosefoundationshadbeenlaidbyNewton'sgreatwork.Withintheframeoftherelativitytheory,demandingaformulationofthelawsofnatureindependentoftheobserverandemphasizingthesingularroleofthespeedoflight,gravitationaleffectslosttheirisolatedpositionandappearedasanintegralpartofageneralkinematicdescription,capableofverificationbyrefinedastronomicalobservations.Moreover,Einstein'srecognitionoftheequivalenceofmassandenergyshouldproveaninvaluableguideintheexplorationofatomicphenomena.

Indeed,thebreadthofEinstein'sviewsandtheopennessofhismindfoundmostremarkableexpressioninthefactthat,intheverysameyearswhenhegaveawidenedoutlooktoclassicalphysics,hethoroughlygraspedthefactthatPlanck'sdiscoveryoftheuniversalquantumofactionrevealedaninherentlimitationinsuchanapproach.WithunfailingintuitionEinsteinwasledtotheintroductionoftheideaofthephotonasthecarrierofmomentumandenergyinindividualradiativeprocesses.Hetherebyprovidedthestartingpointfortheestablishmentofconsistentquantumtheoreticalmethodswhichhavemadeitpossibletoaccountforanimmenseamountofexperimentalevidenceconcerningthepropertiesofmatterandevendemandedreconsiderationofourmostelementaryconcepts.

ThesamespiritthatcharacterizedEinstein'suniquescientificachievementsalsomarkedhisattitudeinallhumanrelations.Notwithstandingtheincreasingreverencewhichpeopleeverywherefeltforhisattainmentsandcharacter,hebehavedwithunchangingnaturalmodestyandexpressedhimselfwithasubtleandcharminghumor.Hewasalwayspreparedtohelppeopleindifficultiesofanykind,andtohim,whohimselfhadexperiencedtheevilsofracialprejudice,thepromotionofunderstandingamongnationswasaforemostendeavor.Hisearnestadmonitionsontheresponsibilityinvolvedinourrapidlygrowingmasteryoftheforcesofnaturewillsurelyhelptomeetthechallengetocivilizationintheproperspirit.

TothewholeofmankindAlbertEinstein'sdeathisagreatloss,andtothoseofuswhohadthegoodfortunetoenjoyhiswarmfriendshipitisagriefthatweshallnevermorebeabletoseehisgentlesmileandlistentohim.Butthememorieshehasleftbehindwillremainanever-livingsourceoffortitudeandencouragement.—NielsBohr

WithAlbertEinstein'sdeathagreatlighthasgoneoutintheworldofphysics,forEinstein,morethananyotherman,setthetoneofthephysicsofthe20thcentury.Histheoriesofspecialandgeneralrelativitywerethecapstoneofclassicalphysicsandthetheoryoffields.Histheoryoflightquantaandhislaterdemonstrationofthenatureofthefluctuationsof'blackbody'radiationraisedtheparadoxofthewave-particleduality,whichwaspartlyresolvedtwodecadeslaterintheprincipleofcomplementarityofNielsBohrandWernerHeisenberg.His1917paper,introducingtheideasofspontaneousandstimulatedemissionofradiation,wasthefirstclearstatementofthestatisticalnatureoffundamentalatomicphenomena.ThefamousEinsteinAandBcoefficientsledtothequantitativeuseofthecorrespondenceprincipleandtotheformulationoftheKramers-Heisenbergdispersionformula,whichinturnledtoHeisenberg'smatrixmechanics.Einsteinwasthereforeinaveryrealsensethefounderofthestatisticaltheoryoffundamentalatomicphenomena.
已赞过 已踩过<
你对这个回答的评价是?
评论 收起
推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询

为你推荐:

下载百度知道APP,抢鲜体验
使用百度知道APP,立即抢鲜体验。你的手机镜头里或许有别人想知道的答案。
扫描二维码下载
×

类别

我们会通过消息、邮箱等方式尽快将举报结果通知您。

说明

0/200

提交
取消

辅 助

模 式