【Howwouldyouliketowearthesameunderwear(内衣裤)forweeks?Owingtotheworkthathasgoneintodevelopingintelligentmaterialsthismaynotbeas41asitsounds.Self-cleaningclotheshavenowbeencreatedandthesenewmat】

　　Howwouldyouliketowearthesameunderwear(内衣裤)forweeks?Owingtotheworkthathasgoneintodevelopingintelligentmaterialsthismaynotbeas 41 asitsounds.Self-cleaningclotheshavenowbeencreatedandthesenewmaterialsprovide 42 resistancetodirtaswellaswater.Asaresulttheyrequiremuchlesscleaningthantraditionalmaterials.

　　Thecreationofself-cleaningclothesprovidesanexampleofhownaturehelpsscientistsdevelopbetterproducts.Thisself-cleaningnatureisknownasthe“lotuseffect”.Thenamecomesofcoursefromthelotusleaveswhicharefamousforgrowinginmuddylakesandriverswhileremainingalmost 43

　　clean.Byobservingnaturescientistsare 44 thequalitiesofthelotusleavestothematerialstheyhaveengineered.Becauseofthissomeremarkablenewproductshavebeen 45 .Amongthemarespecialwindowsthatareresistanttodirtandwater.Aspecial 46 onthesewindowsnotonlypreventsdirtfromstickingtotheirsurfacesbutalsoallowsdusttobeeasilywashedoffbytherain.Infactthesenewwindowshavealreadybeen 47 tosomecars.Evenwhentravelingathighspeedthroughrainthesecarsneverhavetousetheirwindshieldwipers(雨刮器).

　　Althoughwehavealreadyseensomepracticalapplicationsevenmoredramatic 48 willbemadeinthefutureandtheywillperhapschangeourworldcompletely.Undoubtedlytechnologyisanimportantdevelopmentanditwillhaveanevenbigger 49 onourlives.