We finally got that Kill-A-Watt we’ve been thinking about, and we spent a good part of last weekend running around the house measuring the energy use of every single piece of electronic equipment we own. It was surprisingly fun. It was also a lot of numbers. (See below.) But we could draw a few conclusions from all of them:

Oliver chewed on my laptop’s power cord last week, so I took my visit to the Apple Store as an opportunity to ask about my battery. A full charge was only giving me about an hour of use. This is the second battery I’ve had for my three-and-a-half-year-old computer, and I was a little upset at the idea that I’d have to replace it again.