There has been a lot of fuss here in the UK recently about the use of Wifi in schools and it's potential harmful effects on children. Some schools (and parents) are calling for, and in some cases actually, banning Wifi systems for their harmful effects.

Guy Kewney has a good comment on the topic: Mast debaters strike again, ban WiFi in UK schools.

I agree, on the whole, with Guy's comment that scientists are yet to find any significantly convincing evidence that radio waves cause harmful effects. One of the interesting elements to come out of this: