EntityQ15061686· pop 12· linked from 89 articlesMachine AgeSign in to savePeriod of early 20th century history of rapid technological advancementConnectionscarEntitycubismEntityFuturismEntityInformation AgeEntitycomputerEntityWorld War IIConceptdemocracyEntityWorld War IConceptCharlie ChaplinPersonfilmEntityradioEntitypetroleumEntityStone AgeEntityIndustrial RevolutionEntityBronze AgeEntitynuclear weaponEntitytankEntityIron AgeEntitypropagandaEntityMaya civilizationEntityCategories19th century in technology20th century in technologyHistorical erasHistory of technologyMachinesSecond Industrial Revolution