http://www.isnare.com/?s=author&a=Duncan+Kelly Computers and Technology Duncan Kelly Mon, 26 Jan 2009 00:00:00 +0800 http://www.isnare.com/?aid=284690&ca=Computers+and+Technology Cellphone usage worldwide numbers in the billions. If there is a possibility of injury from these devices, then a lot of people will be affected. A cellphone is actually a radio transmitter and receiver. It sends and recieves radio frequency electromagnetic waves. The received signals are fairly low...