Virtualreality(VR)isacomputer-generatedscenariothatsimulatesexperiencethroughsensesandperception.Theimmersiveenvironmentcanbesimilartotherealworldoritcanbefantastical,creatinganexperiencenotpossibleinourphysicalreality.AugmentedrealitysystemsmayalsobeconsideredaformofVRthatlayersvirtualinformationoveralivecamerafeedintoaheadsetorthroughasmartphoneortabletdevicegivingtheusertheabilitytoviewthree-dimensionalimages.———FromWikipediaSIGHTTOUCHSMELLHEARINGBattlezoneDriveclubVRJobSimulatorEVE:valkyrieGAMEEducationVRcansimulaterealspaceforeducation-alandtrainingpurposes.Itcanbeusedtoprovidelearnerswithavirtualenvironmentwheretheycandeveloptheirskillswithoutthereal-worldconsequencesoffailing.Ithasbeenusedandstudiedinprimaryeducation,military,astronauttraining,flightsimulatorsanddrivertraining.InteriordesignheritagetourismThemarketsizeofVRhasbeenexpendingrapidlysince2016MaincompaniesRestriction♢Price♢Discomfort♢Limitedapplication