radiation. at what level we ll find out. a u.s. helicopter picked up radiation in the atmosphere which has many people worried. they go on to say with these reactors unit number three destroys the outer building after two explosions the containment wall held. keep in mind the worst nuclear catastrophic was chernobyl . they didn t have containment buildings. they were doing a test in chernobyl and a power surge and explosion and we use water. they use graphite on fire and going everywhere and that is what caused the atomic fall out. tokyo power plant said we have rolling blackouts. but they told people you are not