PASSENGERS on packed trains could unwittingly be exposed to electromagnetic fields far higher than those recommended under international guidelines. The problem? Hordes of commuters all using their mobile phones at the same time.
Tsuyoshi Hondou, a physicist from Tohoku University in Sendai, Japan, who is currently working at the Curie Institute in Paris, says Japanese commuter trains are often packed with people surfing the Web on their mobile phones. The trend spurred him to find out what effect this had on the electromagnetic radiation in a train carriage.
Starting with plans of a typical train carriage acquired from a Japanese…
