Cellphones Make Commuting Dangerous
Passengers on packed trains could be exposed to electromagnetic fields far higher than those recommended under international guidelines when large numbers of commuters all using their mobile phones at the same time. This can happen in buses, subway cars and elevators, and in other closed environments, such as offices, as well.
Tsuyoshi Hondou, a physicist from Tohoku University in Sendai, Japan, says Japanese commuter trains are often packed with people surfing the web on their cellphones. He decided to find out what effect this has on the electromagnetic radiation in a train car.
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