Detailed text transcripts for TV channel - CNN - 20110316:05:19:00
Protection. if you take it too early, you're not going to get the protection when you need it. >> obviously, people in all these different areas are trying to measure radiation doses to get a sense for people. you have one, i got one too. >> it basically tells you two things. one is, since you're wearing it, how much radiation you've been exposed to. this is measuring that. and also it has an alarm, yours does, if you find yourself in an area where there's too much radiation, it will alarm. you can't see this number here, but this number went up .001 now. very, very small amount. probably just...