ted中英文演讲稿范文精编4篇

好文档，供参考1/20ted中英文演讲稿范文精编4篇【题记】这篇精编的文档“ted中英文演讲稿范文精编4篇”由三一刀客最“美丽、善良”的网友上传分享，供您学习参考使用，希望这篇文档对您有所帮助，喜欢就下载分享吧！经典TED英语演讲稿1演说题目：Questioningtheuniverse演说者：StephenHawkingThereisnothingbiggerorolderthantheuniverse.ThequestionsIwouldliketotalkaboutare:one,wheredidwecomefrom?Howdidtheuniversecomeintobeing?Arewealoneintheuniverse?Istherealienlifeoutthere?Whatisthefutureofthehumanrace?没什么比宇宙更广大更久远的了。你们的问题中我想聊一下的是：你我何从？宇宙何来？宇宙中就只有我们？有外星异生物么？人类的未来将会如何？Upuntilthe1920s,everyonethoughttheuniversewasessentiallystaticandunchangingintime.Thenitwasdiscoveredthattheuniversewas好文档，供参考2/20expanding.Distantgalaxiesweremovingawayfromus.Thismeanttheymusthavebeenclosertogetherinthepast.Ifweextrapolateback,wefindwemusthaveallbeenontopofeachotherabout15billionyearsago.ThiswastheBigBang,thebeginningoftheuniverse.上世纪20xx年代之前，所有人都以为宇宙基本上是处于稳态，流金岁月，持恒不变。之后我们发现原来宇宙正在膨胀中。辽远星系一直飞离我们，这意味着它们必定曾相靠近。我们若往后推算，就会发现我们必都曾於约150亿年前，互相堆叠在一起。正是这霹雳大爆炸——宇宙之起始。ButwasthereanythingbeforetheBigBang?Ifnot,whatcreatedtheuniverse?WhydidtheuniverseemergefromtheBigBangthewayitdid?Weusedtothinkthatthetheoryoftheuniversecouldbedividedintotwoparts.First,therewerethelawslikeMaxwell'sequationsandgeneralrelativitythatdeterminedtheevolutionoftheuniverse,givenitsstateoverallofspaceatonetime.Andsecond,therewasnoquestionoftheinitialstateoftheuniverse.好文档，供参考3/20然而大爆炸前可有什么吗？若是没有，又是什么创造宇宙呢？宇宙缘何要从大霹雳中冒出呢？过往我们都认为宇宙论可分成两部分，首先，是定律。像“麦克斯韦方程组”'和“广义相对论”以其于同一刻设定整个时空之状态，而决定了宇宙之演化进程。次之，是对宇宙雏形的疑问。Wehavemadegoodprogressonthefirstpart,andnowhavetheknowledgeofthelawsofevolutioninallbutthemostextremeconditions.Butuntilrecently,wehavehadlittleideaabouttheinitialconditionsfortheuniverse.However,thisdivisionintolawsofevolutionandinitialconditionsdependsontimeandspacebeingseparateanddistinct.第一部分我们取得良好进展，除了“至极端境况”'以外。现在已对演化规律于所有境况下之进程有所掌握。可直至最近，我们仍对宇宙初生当时之周围条件不甚了了。然而，这演化律及初始条件之界分，乃囿于时空分明之概念内。Underextremeconditions,generalrelativityandquantumtheoryallowtimetobehavelikeanotherdimensionofspace.Thisremovesthe好文档，供参考4/20distinctionbetweentimeandspace,andmeansthelawsofevolutioncanalsodeterminetheinitialstate.Theuniversecanspontaneouslycreateitselfoutofnothing.而於极端条件下，广义相对论及量子论容许“时间”如同“空间”的另一维度般运作。这就将“时。空”之间区别移除了，即是说演化律亦可决定初始状态。宇宙可以由无变有自我创生！Moreover,wecancalculateaprobabilitythattheuniversewascreatedindifferentstates.ThesepredictionsareinexcellentagreementwithobservationsbytheWMAPsatelliteofthecosmicmicrowavebackground,whichisanimprintoftheveryearlyuniverse.Wethinkwehavesolvedthemysteryofcreation.Maybeweshouldpatenttheuniverseandchargeeveryoneroyaltiesfortheirexistence.我们甚至可以计算出宇宙在不同情况下诞生的可能性。这些推论与WMAP卫星所观测到的宇宙微波背景辐射（即大爆炸之痕迹）相当一致。我们相信已勘破了创造奥秘或许我们应将“宇宙”给注册，然后向每个生存于世的人收“生活费”。好文档，供参考5/20Inowturntothesecondbigquestion:arewealone,oristhereotherlifeintheuniverse?WebelievethatlifearosespontaneouslyontheEarth,soitmustbepossibleforlifetoappearonothersuitableplanets,ofwhichthereseemtobealargenumberinthegalaxy.现在我转到第二个大问题去，宇宙中就只有我们，还是另有其它生物？我们相信生命从地球自我衍生，故此生命确有可能出现於其它合适星球——星河中看来可有不少呢。Butwedon'tknowhowlifefirstappeared.Wehavetwopiecesofobservationalevidenceontheprobabilityoflifeappearing.Thefirstisthatwehavefossilsofalgaefrombillionyearsago.TheEarthwasformedbillionyearsagoandwasprobablytoohotforaboutthefirsthalfbillionyears.SolifeappearedonEarthwithinhalfabillionyearsofitbeingpossible,whichisshortcomparedtothe10-billion-yearlifetimeofaplanetofEarthtype.Thissuggeststhattheprobabilityoflifeappearingisreasonablyhigh.Ifitwasverylow,onewouldhaveexpecteditto好文档，供参考6/20takemostofthetenbillionyearsavailable.但我们仍未搅通生命是如何生成：对於生命诞生的可能契机，我们有两项观测得来的佐证。首先我们有来自35亿年前的海藻化石。地球于46亿年前形成，头约5亿年相信仍太热了。故此生命于其变得可能后的5亿年间方出现，这相对于像地球之类百亿年期的星体，只算是一段短时间。这意味着生命出现的概率是颇高的。若是低的话，就可预期要花尽百亿年的绝大部分才会出现。Ontheotherhand,wedon'tseemtohavebeenvisitedbyaliens.Iamdiscountingthereportsofwouldtheyappearonlytocranksandweirdos?Ifthereisagovernmentconspiracytosuppressthereportsandkeepforitselfthescientificknowledgethealiensbring,itseemstohavebeenasingularlyineffectivepolicysofar.Furthermore,despiteanextensivesearchbytheSETIproject,wehaven'theardanyalientelevisionquizshows.Thisprobablyindicatesthattherearenoaliencivilizationsatourstageofdevelopmentwithinaradiusofafewhundredlightyears.Issuinganinsurancepolicyagainst好文档，供参考7/20abductionbyaliensseemsaprettysafebet.另一方面，我们似乎从未见有外星人到访。我不信那些什么“不明物体的报导”。它们干吗要单向那些古古怪怪的人现身呢？若真有一个甚麽政府阴谋要将报导打住，从而将外星人所带来之科学识据为己有，那可真像个既离奇，亦从未见效的举措。再说，即便SETI计划已进行广泛探索，我们还没有收听到任何外太空电视答问节目。这可能昭示在我们现阶段文明发展之方圆数百光年范围之内，并没有其它外星异文化。卖保险给那些怕被外星人绑架的人，看来是个不错的选择。Thisbringsmetothelastofthebigquestions:thefutureofthehumanrace.Ifwearetheonlyintelligentbeingsinthegalaxy,weshouldmakesurewesurviveandcontinue.Butweareenteringanincreasinglydangerousperiodofourhistory.OurpopulationandouruseofthefiniteresourcesofplanetEartharegrowingexponentially,alongwithourtechnicalabilitytochangetheenvironmentforgoodorill.Butourgeneticcodestillcarriestheselfishandaggressiveinstinctsthatwereofsurvivaladvantageinthepast.Itwillbedifficultenoughtoavoiddisasterinthe好文档，供参考8/20nexthundredyears,letalonethenextthousandormillion.这送我到了最后一个大问题：人类的前途。若我们是星河里唯一智能生物，就必须确保自己能存活并延续下去。但我们正迈入历史中一个愈发危险