(ebook - pdf) stephen hawking - a brief history of time

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1、ABriefHistoryofTime-StephenHawkingChapter1-OurPictureoftheUniverseChapter2-SpaceandTimeChapter3-TheExpandingUniverseChapter4-TheUncertaintyPrincipleChapter5-ElementaryParticlesandtheForcesofNatureChapter6-BlackHolesChapter7-BlackHolesAin'tSoBlackChapter8-TheOriginandFateoftheUniverseChapte

2、r9-TheArrowofTimeChapter10-WormholesandTimeTravelChapter11-TheUnificationofPhysicsChapter12-ConclusionGlossaryAcknowledgments&AboutTheAuthorFOREWARDIdidn’twriteaforewordtotheoriginaleditionofABriefHistoryofTime.ThatwasdonebyCarlSagan.Instead,Iwroteashortpiecetitled“Acknowledgments”inwhichI

3、wasadvisedtothankeveryone.Someofthefoundationsthathadgivenmesupportweren’ttoopleasedtohavebeenmentioned,however,becauseitledtoagreatincreaseinapplications.Idon’tthinkanyone,mypublishers,myagent,ormyself,expectedthebooktodoanythinglikeaswellasitdid.ItwasintheLondonSundayTimesbest-sellerlist

4、for237weeks,longerthananyotherbook(apparently,theBibleandShakespearearen’tcounted).Ithasbeentranslatedintosomethinglikefortylanguagesandhassoldaboutonecopyforevery750men,women,andchildrenintheworld.AsNathanMyhrvoldofMicrosoft(aformerpost-docofmine)remarked:IhavesoldmorebooksonphysicsthanMa

5、donnahasonsex.ThesuccessofABriefHistoryindicatesthatthereiswidespreadinterestinthebigquestionslike:Wheredidwecomefrom?Andwhyistheuniversethewayitis?Ihavetakentheopportunitytoupdatethebookandincludenewtheoreticalandobservationalresultsobtainedsincethebookwasfirstpublished(onAprilFools’Day,1

6、988).Ihaveincludedanewchapteronwormholesandtimetravel.Einstein’sGeneralTheoryofRelativityseemstoofferthepossibilitythatwecouldcreateandmaintainwormholes,littletubesthatconnectdifferentregionsofspace-time.Ifso,wemightbeabletousethemforrapidtravelaroundthegalaxyortravelbackintime.Ofcourse,we

7、havenotseenanyonefromthefile:///C

8、/WINDOWS/Desktop/blahh/StephenHawking-Abriefhistoryoftime/ABriefHistoryinTime.html(1of2)[2/20/20013:13:58AM]ABriefHistoryofTime-StephenHawkingfuture(orhavewe?)butIdiscussapossibleexplanationforthis.Ialsodescribetheprogressthat