<Li> Blackra1n, an application used for jailbreaking iPods and iPhones </Li> <Li> Operation Black Rain, an operation by the United States Bureau of Alcohol, Tobacco, Firearms and Explosives </Li> <Li> An Iraqi nickname for the M270 Multiple Launch Rocket System </Li> <Li> Heavy Typhoon Rain or Black Rainstorm warning </Li>

What does black rain do in the 100