A comfy warm bathtub should be heated to the 40-45C range. A comfy cool CPU should be about 50C. So run the water cooling from your overclocked CPU from your computer room to the bathroom. Safer than electric heat for the tub, though the hoses running across the house may create other hazards. Run SETI at Home and search for ET, while your skin wrinkles like his!-- keithl, Dec 08 2004 [clicks mouse furiously trying to restore heat to cooling tub]-- normzone, Dec 08 2004 random, halfbakery