1945，American1964,ChinaThefirstatomicbombsThefirstnuclearweaponWorldWarIIThePacificWar(太平洋戰(zhàn)爭〕TheAllies(協(xié)約國)“Thelittleboy”Hiroshima(廣島)Whatisnuclearweapon？Anuclearweaponisanexplosivedevicethatderivesitsdestructiveforcefromnuclearreactions,eitherfission(裂變)oracombinationoffissionandfusion〔裂變與聚變的結(jié)合〕.Bothreactionsreleasevastquantitiesofenergyfromrelativelysmallamountsofmatter.E=mc2The“l(fā)ittleboy”whichis3meterslongandweighs4tons,with64kilogramsofU235.ThisistheB-29superFlyingFortressbomberandthepilotPaul.ItishewhodroppedthebombdowntoHiroshima.Thedeviliscoming.On6thofAugust,1945,the"littleboy"causedaterribledisastertoHiroshima.Itreleasedgreatenergywhichwasequivalentto15thousandtonsofTNTexplosives.Effectedbythegreatshockwave,citybuildingswereallinruin,anatomicbombnearlydestroyedthecity.Hiroshimaaftera-bombexplosionisstrewnwithdead.15%-20%：radiationsickness〔輻射病〕20%-30%：flashburns〔閃光燒傷〕50%-60%：otherinjuries〔其他〕Opticalradiation〔光輻射〕burnttheboy‘sfaceandtheupperpartofbody.Somesurfaceskinwasspalling〔脫落〕.Theskindirectlyexposedtotheatomicbombflashwasburnt.

〔閃光燒傷〕戰(zhàn)后廣島的和平潮流TrendofHiroshimaafterthewarpeaceAtomicBombDomeThemuseumexhibitpresentsthefactsoftheatomicbombing,withtheaimsofcontributingtotheabolitionofnuclearweaponsthroughouttheworld,andofpromotingworldpeace.

HiroshimaPeaceMemorialpark【DIRECTORY】HiroshimaPeaceMemorialPark,outsidetheAtomicBombDome.Sincethen,everyyeartheparkHiroshimaheldaceremonytomournthevictimsJapanesedonotinvadeother,andalertthecountries.OnAugust6,2009,HiroshimainJapan,JapanesePrimeMinisterTaroAsolaybouquets

toHiroshimavictims.Isthatthebes