How much energy do each of your various household electrical appliances and computing devices consume? Actually, very few of us can answer that question with any confidence. That’s  because we only normally come into contact with our energy consumption when we receive a bill – and this only provides a total figure for our entire household consumption, across a period of months. Until now, it’s been impossible to measure anything about how any particular appliance in your home uses energy. But now a simple device can help you manage your electricity consumption.  Read the full article here