Quote Originally Posted by Husar View Post
Maybe it felt the warmth of the router? Cellphones can warm your ear up by about 1°C with their microwaves.

Not to forget the suspicion that all these waves may affect the orientation of bees which fail to find food and die as a result.
I have no idea where the research is on that though but I'm a little suspect of these "we can release whatever we want into the environment and it won't do any harm" - opinions we probably got for leaded gasoline when it was new as well.
When it comes to highschool students and watercress experiments I'm going to bet on simple neglect being more of a killer.

We're talking an order of magnitude less than 1 W of electro magnetic radiation versus something in the order of 20W IR radiation (heat).