Presentation：Science in life

LOGOScienceinlifeIntroductionWhatisscienceandtechnology?Whyarewesoobsessedwiththemysteryofscienceandtechnology?Allourdesiresmayberealizedwiththehelpofscienceandtechonology.Double-edgedswordScience&TechnologySciencereferstoknowledgeaboutthestructureandbehaviorofthenaturalandphysicalworld,basedonfactsthatyoucanprove,forexamplebyexperiments.Technologyreferstoscientificknowledgeusedinpracticalwaysinindustry,forexampleindesigningnewmachines.1inventionsthatchangedtheworld1.ElectricityItistruethatBenjaminFranklinholdsthetitleasthefatherofelectricity,buthisinventionanddiscoverywaslifethreateningbecausehehasdemonstrateditthroughthenaturallightingusinglighteningrodthatcouldhadcausedhislifeinordertoseetheelectricflow.Hence,thereareotherswhotriggered,anddidstudywhohadprepareddocumentsandbooksinordertocatchthewholeprocessandtechnicalitiesofelectricpower.Everythinginthemodernworlddependsonelectricity.2.LightBulbWhowouldeverforgetthecreationofThomasAlvaEdisonofanelectriclightcalledbulbin1879whichhascausedoneofthebiggestchangesintheworldnotjusttohouseholds,butinrunningallbusinessesintheworld.ItwaspatentedonJanuary27,1880,whereinitcategoricallyclassifiedasthefirstpracticallight.3.RefrigerationWilliamCullenwasthefirstpersonwhoinitiatedandintroducedartificialrefrigerationin1748whichhehasdemonstratedattheUniversityofGlasglow.OliverEvansimproveditwhenheinventedthefirstrefrigerationmachinein1805,andin1834,thefirstpracticalrefrigeratorwasmadebyJacobPerkins,thenanimprovementwasdonebyJohnGorriewhichhehasbasedfromOliverEvans’fridge.3.TheWheelItstartedinaprimitiveaxlethatservedasrollersuntiltheevolutionofthefunctionalwheels.Infact,itcanbetracedbackaround3500B.C.fromtheAncientMesopotamiawhereoldestwheelcanbeseen.Hence,thefirstsetsofwheelswereusedforpotterstotransportpots,andfoodwhichwascalledaspotter’swheels.AnimprovementwasdoneduringSumerianserawheretheycalleditaswheeledchariots.LaterongearswereaddedatMiddleAge,untilIndustrialRevolutioncamewheresteamengines,railroads,andfactorieswerefound.4.AutomobileBasedonthehistory,KarlBenzwasthefirstmoderninventorofautomobilein1886.In1893,thefirstgas-poweredcarwasinventedbyCharlesEdgarDuyeaalongwithhisbrother,Frank.5.PrintingPressJohannesGuttenbergwastheknowncreatororinventorofprintingpress.HewasaknownbusinessmanandgoldsmithinGermany.Everythingbeganwhenheborrowedspecificsumofmoneyinordertoinventsomethingthatwouldchangetheperspective,andflowofprintingwhereintheoriginalprintingpresswascomposedofmoveableorreplaceablewoodenormetalletterswhichdonein1440.Although,variousimprovementsweremade,butdefinitely,hiscreationhastriggeredtowhatthetechnologyhastoofferinthesocietytoday.6.RadioTherewerepeoplewhohadmadestudies,andresearchwithregardstoradiotransmission.TheyareJamesClerkMaxwell,HeinrichHertz,GuglielmoMarconiandthisbecamepossiblethroughwirelesstelegraphy.Nonetheless,majorityofthedevelopmentsanddiscoveriesweredonebyGuglielmoMarconiwhohadconcoctedthewirelesstransmission,andMr.J.VincentWainewhodesignedthetransmitting&receivingequipment.7.FlightandAviationTheWrightBrothers:WilburandOrvilleWright.Theycalledtheirfirstplanetheflyingmachine.8.Telephone&TelegraphBecauseoftheingeniousmindofa29-yearoldmanin1876,thefirsttelephonewasinventedbynoneotherthan,AlexanderGrahamBellandwiththeassistanceofElishaGraywhohadmadethedesignoftransmissionofcommunicationdonethroughanelectronicdevice.9.ComputerHarvardMarkIin1944,thenflow-matic,cobolin1953,andinpartnershipwithIBM,theIBMstretchcomputerin1959,andanAppleComputer1in1976whereinvariousintegrationswereadded,untilmonitor,andotherdeviceswerecreatedtomakeitmoreusefulthanjustforthepurposeofcomputing.ChangesforYourWorld•Newtechnologyhelpstosavetimeandhumanlabor.•NewTechnologybringsmorewaysofentertaining.•Newtechnologyshortensthedistanceandbringsthewholeworldtogether.ElectricityCanyouimaginetheworldwithoutelectricity?1.NOTV,Nocellphone2.Playgamesoutside,anduseourimaginationsmore.3.Transportwouldbesteam-driven,animal-drivenorhuman-powered.4.Lightingwouldbebyflames,candlesorlanterns.5.Workwasallmanual.6.NoComputertoreadthis.7………..1.Transportation1.Makelong-distancetrippossible.2.Makethetripmoreconvenient.3.Shortenthetimeontheroad.4.Lesswalking5.Lessenjoyingofthesceneryontheroad2.CommunicationOldtimes:1.Writeletters,gettingnoresponseuntilweekslater2.passhand-writtennotestofriendsinclassNowadays:E-mails.Instantmessages.QQ,Skype,orothercommunicationtools.Socialnetworkwebsitestoknowstrangers.1.Moreconvenienttocontacteachother2.Shortenthedistance.3.Bestfriendsonline(virtualworld),strangersintherealworld.4.Messagespreferred,butnotface-to-facetalk.Lessgatheringsoffriends.5.Contactmore,butlesstrueheart.e.g.Greetingsinfestivals.3.Working1.Potentiallylaborsavingtechnologicaldevices2.Workingfromeverywhere,SOHO.3.IncreasedEfficiency1.Whatifthedatastoredinthecomputerlost?2.Toodependentonthevirtualdata!4.Study1.Resources:Accessvirtuallyallinformationthatispubliclyavailablefromthecomfortoftheirhomes.2.Speed:Gainaccesstoinformationinfarquickerways.3.Sharing:Informationcannowbesharedbetweenstaffan