BrianGreene_2005[布瑞恩.格林尼][使弦理论的意义].pdfVIP

TED演讲者：BrianGreene|布瑞恩.格林尼

演讲标题：Theunierseonastring|使弦理论的意义

内容概要：PhysicistBrianGreeneexplainssuperstringtheory,theideathatminsculestrandsof

energyibratingin11dimensionscreateeeryparticleandforceintheunierse.

BrianGreeneisperhapsthebest-knownproponentofsuperstringtheory,theideathat

minusculestrandsofenergyibratinginahigherdimensionalspace-timecreateeeryparticle

andforceintheunierse.

www.XiYuS锡育软件

Intheyear1919,avirtuallyunknownGermanmathematician在1919年一位显为人知名叫“西奥多?卡鲁

namedTheodorKaluzasuggestedaveryboldand,insome扎”的德国数学家提出了一个大胆甚至有些异

ways,averybizarreidea.乎寻常的猜想。[00:13]

Heproposedthatouruniversemightactuallyhavemore他认为在我们的宇宙可能实际上包含不只三个维

thanthethreedimensionsthatweareallawareof.度并非像我们一贯所认为的那样。[00:29]

Thatisinadditiontoleft,right,back,forthandup,down,除了我们熟悉的左和右前与后上跟下外

Kaluzaproposedthattheremightbeadditionaldimensions“卡鲁扎”认为空间里可能包含有额外的维度只

ofspacethatforsomereasonwedontyetsee.是因为某些特殊原因我们还无法认知。[00:37]

Now,whensomeonemakesaboldandbizarreidea,当一个人有了大胆怪异的猜想我们通常只会关

sometimesthatsallitis--boldandbizarre,butithas注其大胆和古怪的部分而这部分和我们存在的

nothingtodowiththeworldaroundus.现实世界是毫无关联的。[00:48]

Thisparticularidea,however--althoughwedontyetknow但是这一次面对于这个猜想--虽然我们还不知

whetheritsrightorwrong,andattheendIlldiscuss道它的正确与否之后我会谈谈一些会在未来几

experimentswhich,inthenextfewyears,maytelluswhether年里进行的实验可能会证实它的真伪--[00:57]

itsrightorwrong--

thisideahashadamajorimpactonphysicsinthelast这个猜想在上个世纪已经给物理学界带来了重大冲

centuryandcontinuestoinform