If you are at all concerned about radiation fallout from Japan ’s Fukushima reactor, here’s a readily available, innovative and inexpensive radiation tester you can use anywhere in your home.

1. Open a bag of Orville Redenbocker (or other brand) microwave popcorn.

2. Leave it on a table.

3.  If it starts popping, you’re screwed.

4.  Buy a personal fallout poncho (Link)