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Old 24 May 2007, 10:59   #21
Country: UK - Wales
Town: Barmouth
Boat name: Blue Marlin
Make: Ribcraft
Length: 7m +
Engine: Yanmar 315/Bravo 2X
MMSI: 235020218
Join Date: Jun 2003
Posts: 826
Originally Posted by codprawn View Post
This is where the inverse square law comes into play - basically any electromagnetic wave loses power a massive amount the further away it gets. So basically at 2x the distance the power is 1/4 the source and so on.

This racks up very rapidly so for example someone sleeping under an electric blanket gets more radiation than someone living directly beneath an electricity pylon...
You do know that you are supposed to turn the electric blanket OFF when you are under it, don't you?


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