What causes massively scrambled FM radio reception along the Capital Beltway near Falls Church, Virginia? [more inside]
posted by jocelmeow on Aug 24, 2009 - 10 answers

Electricity and Magnetism geeks - help me! I would like to stop the GSM interference from my iPhone to my speakers with ferrite chokes. I imagine a bit of information would help me get the best ones... [more inside]
posted by twiggy on Aug 11, 2008 - 12 answers