Oneworldessay-InternationalspacestationDidyoueverthoughsleepontheceiling?It’snotajoke.Youcandoitinthespace.Youcanseesunriseandsunsetevery45minute!It’spossibleifliveintheinternationalspacestation.Internationalspacestationisanexperimentininternationalcooperationtoseehowhumanscanliveinthespaceandwhattheyneedtoliveinthespace.It’salsocanhelppeopletofindoutnewresourcesandmaterialsinthespaceeasier.It’sareallybigprojectforinternationalcooperation.Thereare16nationsmadeittogether.InternationalspacestationbiglikeAmericafootballfileandweightmorethan100millionpounds.ISScostaround100billiondollarit’sfarhighthanplan.Internationalspacestationisuseforfuturehumanswillliveintheuniverse.Becauseearthdoesn’thaveenoughplacestogivehumanlive.Forliveinthespaceweneedmanyfactortosupportit,sointernationalspacestationisanexperimentforit.Internationalspacestationwasmadewithallovertheworldengineerstogether,buttherearejust6peoplecanworkintheISS.Butit’snotreallyhavevalueforscience.Forthosereason,forpolityISShaspositivewayalsohasnegativeway.TherehavemanypeopleprotestedaboutbuildISS.ThosethingsdisincentivealotformadeISS.FormadeISS,NASAandothersectionsneedmanyspecialmaterialsbecauseitsworkinthespace.ThemostimportantthingstomadeISSarereinforceandbinder.Reinforcesaddbinderequaltocomposite.Forexamplemicro-compositesit’sgroupofmaterials.Inthefutureit’swillbeusetomakemirrors.It’skindofcompositematerials.Forchosematerialsneedtotakecareofalotofconsiderations,becauseinthespacetherearenogravity,andpeopleneedtoliveinthere.Forexample,lightweighisoneoftheconsiderationsforchosematerials.TheOne-poundmaterialsinthespacecanbe10poundsintheearth.Sowhenpeopledecidetheweightofmaterialneedtobeheavythanoriginalweight.Alsothestrengthofmaterialsalsoisimportant.ThelifetimeofISSis10-15years.Forthismuchtimematerialsneedtobestrongandit’sneededtohaveverylonglifetimeforsomematerials.Becausesomeofmaterialscan’tchangeorfixwhenitwork.SomaterialsformakeISSneedtobestrongandhavelonglifetime.Forotherconsiderationsisthepressureofmateri