Taking A Moment To Relax

First the good news: The fire at the Fukushima Dai-ichi #4 reactor has been extinguished. The southerly winds bringing radioactive contaminants to the Tokyo area have slowed somewhat. Cooling on reactors #1 and #3 has stabilized. And cooling on reactor #2 continues. Second, the good news: Reactors

Read more

What Is A Millisievert?

So, you’re sitting there watching the news and the reporter sagely looks at the camera and says, “The current radiation levels recorded at the #2 reactor was measured to be 100 millisieverts”. It sounds bad. The question is, how bad is it really? In the SI system,

Read more

Dai-ichi Reactor #2 Leak

At 6:10 a.m. this morning, operators at the Fukushima Dai-ichi plant heard a loud, “strange” sound emit from the #2 reactor. Subsequently, pressure readings apparently normalized between the inner and outer containment chambers. The official statement is that it is likely there has been a significant emission

Read more