Build your own quantum entanglement experiment at home

It may be a little late for folks on the East Coast to round up the necessary parts before the blizzard really hits, but this would be a fun trapped-in-the-house project. It's not cheap, but it does give you the opportunity to see how subatomic particles interact with one another in the privacy of your own home. In a post at Scientific American George Musser explains how he put his experiment together. A follow-up promises to show you how to use it, and what he found when he did. Maggie