effective? >> those are desperate measures. they need to have off-site electrical power to that plant. they need to make sure they get the primary cool atlanta systems back in operation in all four of the affected reactors. that is the most effective means to try to get this plant stabilized. jenna: the company that owns the plant says by the end of this weekend power to the reactor should they say be back and working, but that is eight, nine days into this crisis? is it too late to make a difference? >> it's not. it seems like a race against time but we actually have physics to help us, and what i mean by that, if we go back a week ago when this event initiated, when the earthquake struck everything worked properly initially, the three operating reactors at that time, reactors one, two and three shut down properly. it was an hour later when a tsunami came in and knocked out