http://www.kqed.org/.stream/anon/radio/quest/2010/08/2010-08-23-quest.mp3
The wireless age has introduced countless devices that many of us can't live without, like cell phones, laptop computers and wifi routers. Like all electronics they communicate using electromagnetic frequencies - or EMFs. Some people worry that EMFs are making them sick - and say that technology should slow down, as Amy Standen reports.