Unit4LivingwithtechnologyExtendedreading课件-高中英语牛津译林版（2020）选择性2

ExtendedreadingVirtualrealityTellusyourexperiencewithaVRheadset.◆Whenandwheredidithappen?◆WhatdidtheVRheadsetlooklike?◆Howdidyoufeel?Susan,anindustry-leadingtechmagazineeditor,is

interviewingFrank,anexpertinvirtualreality(VR).Readtheinterviewtranscriptbelow.Susan:Frank,you’vebeenworking

attheforefrontofdevelopmentsinvirtual

realityformanyyears.Canyoutelluswhatvirtual

realityisandhowit

works?Frank:Ofcourse.ThebasicdefinitionofVRliesinthenameitself,

which

means“realitythatisnotreal”.WhenyouwearaVRheadset

equipped

with

sensors

andascreen

,youare

surroundedbythree-Dimages,sounds

and

othersensory

information,whichcreatesasuper-realisticeffect

called“presence”.Thoughyouknowthesensoryinformation

surroundingyou

isnotreal,partofyourbrainbelievesitis—andacts

accordingly.WhatVRis;HowitworksSusan:Thanks,Frank.Canyougivesomeexamplesofthepracticalapplications

VRhas?Frank:I’dloveto.Thereareahostofeducationalapplications.AcademicVR

enablesstudentstointeractwithothersinathree-Denvironment.There

areendlesspossibilitiesforthesubjectmatterthatcanbecreatedina

VR

system.Imaginestudyingthesolarsystemorthehumanbodyina

fully

immersiveenvironment.Bydeliveringthecontentinameaningful

way,

thisnewapproachtolearningmanagestoengagestudents’interest

and

enhancelearningefficiency.Theapplicationscanbeexpandedto

makeit

easiertovisualizedatasuchasengineeringprojectsandavariety

ofother

designdevelopments.It’sprettyexciting!Application1:eduacationApplication2:medicineApplication3:entertainment,shopping,travellingSusan:Ican’twait!However,aswithanytechnology,theremustbesome

barriers

tothedevelopmentofVR,Iguess?Frank:Itreallyboilsdowntothreethings—time,costandtechnicallimitations.

Wewillneedtimetodevelopandfine-tunethehardwareandsoftware.

Theinitialcostwilldiscouragemostpeopleinthebeginningbutthat

shouldbefixedovertime.Thelastissueisourowntechnicallimitations.

Justtryingtofigureouthowtodowhatwewantintermsoftechnology

willprovechallenginginsomeareas.Barriers:time,cost,technicallimitationsFutureWhatVRisHowitworksApplicationsBarriersFutureFillinthetablewiththeinformationfromtheinterviewtranscript(P54)line45lines5--9Itiswidelyusedineduaction,medicine,entertainment,shoppingandtravelling.lines4--5line54Thereareendlesspossibilities.Discussion

WhatotherapplicationsofVRdoyouknowabout?WhatfuturedevelopmentdoyouthinkVRwillhave?ProjectCInstaTripwatch:travelinnotime!Doesitannoyyoutoseecarsblockingtheroadlike

weedswhenyouaretravelling?OurnewInstaTrip

watchmakestravelstressathingofthepast.You

couldbeawayfromyourbusylifeandtraveltoa

fardistantlandinstantly—allyouneedtodois

touchafewbuttons.Phrasesanindustry-leadingtechmagazineeditorattheforefrontofdevelopmentsinvirtualrealitythebasicdefinitionliesinaVRheadsetequipped

with

sensorsandascreen

besurroundedby

sensory

informationasuper-realisticeffectact

accordinglythepracticalapplicationsahostofeducationalapplicationsacademicVRPhrasespractisedelicatesurgeryattemptitonthe

patienttrythemon

humansubjectsdrugaddictioncost-effectiveapplicationsaffectthedifferentaspectscurrentgamesystemsplayagainst

opponentsIt

won’tbelongbefore...tryonclothesmakemoreinformedchoicesaswithsomebarriers

toboildowntotechnicallimitationsfine-tunethehardwareandsoftwaretheinitialcostfigureoutintermsofprovechallengingbe