Temperature Matters
Sometimes, a banner ad manages to catch my eye. This time, it was one from EnergyStar, the energy-efficient appliance certification people. Their ad features a “summer energy saving tip”, specifically to wash your clothes in cold water. I’ve seen this advice before and it always irks the hell out of me, because it’s an example of trying to reduce energy by not actually accomplishing the task you set out to do. Cold water simply does not dissolve soap as well as hot, or at least warm, water. Go grab a bar of soap and check out the difference in washing … Continue reading Temperature Matters