HannahFryuncoversthesecretsbehindthemiraculoustechnologiesofthemodernworld,revealingthemindblowingstoriesbehindtheirinvention. Episode1:Passport Hannahgainsaccesstoatop-secretsitewhereanonymousstaffandthelatesttechworktomaketheBritishpassportoneofthemostsecuredocumentsontheplanet. Episode2:VacuumCleaner HannahFryrevealstheincredibletalesbehindthedevelopmentofthecontemporaryworld'smarveloustechnologyandunearthstheirmysteries.Hannahtakesalookatthevacuumcleaner,goingbehindthesceneswithDysonanddiscoveringhowthemotorintheirlatestvacuumspinsninetimesfasterthanthatofaFormulaOneracecar. Episode3:Smartphone Withoversixbillionofthemacrosstheplanet,smartphoneshavechangedthemodernworld.WithrareaccesstoelectronicsgiantSamsung,ProfessorHannahuncoversthetechnologicalgamechangersthathavemadethesmartphoneareality. Episode4:Microwave HannahFrydiscoversthehiddenWWIIradartechnologythatheatsupbeans,learnsthelegendofthemeltedcandybarinanengineer'spocketthatkick-startedrevolution. Episode5:Headphones Headphonesarewornbyover30millionpeopleintheUK.HannahFryvisitslegendaryheadphonehonchosBosetofindouthowtoday'steenyearbudtechworksandmeetsthehumantesterswith'goldenears'. Episode6:Lift Frygoesbehindthescenestolookatthetechbehindthelift.Alongtheway,shefindsouthowcoalminesmadeliftssafer,getstogripswithapieceofmedievalsiegetechnology,anddiscovershowaPRstuntchangedthemodernskyline.