Can You Use a Refrigerator as a Faraday Cage?

Earlier this week a New York Times article claimed that NSA whistleblower Edward Snowden asked a group of lawyers visiting him to put their cell phones in the refrigerator—the idea being that it would act as a Faraday cage. But does it actually work?

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This video, by MAKE's Michael Colombo, suggests it might not be quite as effective as Snowden hoped. But a cocktail shaker? Now you're onto something. [YouTube via BoingBoing]

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DISCUSSION

A microwave oven actually has a faraday cage inside of it. This is needed to prevent the electromagnetic waves used to heat up the food inside from leaking out of the oven. If I were snowden, and I didn't have a cocktail shaker, I'd use a microwave.