WFT is up with this???

Radon daughters? How about

Radon daughters?

How about we see a test of that same rain a day later?

Hey OP - Check this out.

Hey OP -

Check this out. Pretty similar to your vid.

http://www.nuc.berkeley.edu/node/4943#comment-14667

Great, info thats for the

Great, info thats for the help!