There’s no such thing as a free lunch. There’s no such thing as a zero sum game. The 2nd law of thermodynamics tells us this. You know, the one about entropy and how everything will be really, really lame in a couple of trillion years. There’s no action without an equally big reaction somewhere. This is […]

Energy efficiency is often a hard sell in the US. Energy efficient devices can require a bit more money up front, which is then paid back gradually often over the course of several years. But a new study in the latest edition of PNAS suggests that the problem isn’t only a matter of economics—instead, like […]