I thought I'd pass this on, as it's not really something you hear lots of on these forums... just as something to remember.
Recently I was doing some soldering on an old motherboard, removing a wire from an LPC point that had way too much solder. A good centimeter of the wire was exposed and tinned where the connection to the LPC point is.
As I was heating up the joint to remove the wire, prior to getting out some desoldering braid and tidying up the mess, I didn't notice that the heat from the original installation had put the wire under tension. As soon as the solder became molten the wire sprang away from the motherboard, flicking a blob of molten solder with it.
The blob caught me about a millimetre under my left eye and left a really bad burn. I've no doubt that it would have done serious damage had it been just a little higher.
So, for the future - glasses or goggles are in order when doing stuff like this. Ok, I'll feel a bit of a geek, but I'd rather that then be blind. Remember that there are inherent hazards with any of the modding we do. Carelessness sucks.