It's really a mind-boggling thing, being able to split the smallest building block of the universe to unleash the greatest power known to man.
Over the past several decades nuclear power has posed the greatest threat to human life, and also provided a commercially viable, clean source of energy for millions.
Clean, if you don't count the lethal toxic waste that will be around for years and years.
CNN's Drew Griffin reports.
CNN explores the risks and rewards of nuclear power in a new film which airs Thursday at 9 p.m. ET, called "Pandora's Promise."