Mast debate

A recent BBC Panorama documentary has suggested that wifi Internet might be a major health hazard. Scary quotes about chromosome damage and radiation exposure have appeared all over the Internet. Unfortunately, the documentary’s conclusions are junk science. Let’s start off by noting the inverse square law, a piece of basic physics which applies to electromagnetic radiation exposure. Basically, the strength of a signal varies in proportion to the distance squared.

Orinoco

I’ve got a second-hand Orinoco card for my ThinkPad. Next time I need to work at home, I’ll be Wombling free.

Airport

My Airport card arrived. Installed it in the G4, which was tougher than I expected. Getting the machine open was easy, though I had to unplug a couple of the cables. It also didn’t take me long to work out that the piece of green PCB attached to the Airport card had to be some kind of extra part for use in other computers (iBooks maybe?) and not something I had to use.