Eliminate noise from your phone with an anti-static bag

According to an article by Lifehacker and Into Mobile, if you can find an anti-static bag around your house, you can remove that humming noise from your cell phone. I know th Razr is plagued with this noise if you have the lights turned on, but my soon-to-be-sold K790i by SonyEricsson doesn't have this problem (or I've gone deaf).

What is an antistatic bag? Have you ever bought a piece of hardware and gotten a silver bag that's quite dense? THAT is an antistatic bag. According to the article,

Simply sitting your mobile phone in top of an anti-static bag will squash all magnetic interference. The next time your speakers start buzzing because your homies are blowin’ up the cellie, just find that shiny silver bag and place it over the 

You can see the video below.