1.Thefirstatomicbombwasnamed"FatMan."2.FatManwastheatomicbombtestedbytheUnitedStatesonJuly16,1945,intheAlamogordodesertofNewMexico.3.Thisatomicbombmeasured5.5metersinlengthandhadadiameterof0.61meters,weighingapproximately3,400kilograms.4.ThesuccessfultestofFatManmarkedtheUnitedStatesasthefirstcountrytopossessnuclearweapons.5.ThedevelopmentoftheatomicbombintheUnitedStatesbeganduringWorldWarII,得益于thesuggestionsofscientistslikeEinstein.6.Thedestructivepoweroftheatomicbombisimmense,capableofcausingdamageequivalenttohundredsofthousandsoftonsofTNT.7.Atomicbombscanbemountedonvariousdeliveryvehicles,suchasnuclearmissilesandnuclearbombs.8.TheprinciplebehindtheFatManatomicbombinvolvedharnessingtheenergyreleasedfromnuclearfission,withonlyasmallportionoftheuraniumbeingconvertedintoenergy.9.ThetestoftheFatManatomicbombonJuly16,1945,producedanexplosionwiththeenergyequivalentto13,000tonsofTNT.10.ThetestblastofFatMangeneratedasignificantimpact,withmanypeopleincorrectlybelievingitwasanearlysunrise.详情