Why hotter clocks are more accurate

Interestingly, many everyday clocks have an efficiency that is close to what the scientists’ analysis predicts. For example, their formula predicts that a wristwatch whose accuracy per tick is one…

Hawkesbury River Study: CO2 improves tree growth, drought tolerance

Guest essay by Eric Worrall According to Belinda Medlyn, a theoretical ­biologist with Western Sydney University, trees exposed to enhanced CO2, in the gigantic open air Hawkesbury River climate study,…

Slaying the 'Slayers' with Watts – part 2

Light Bulb Back Radiation Experiment Guest essay by Curt Wilson In the climate blogosphere, there have been several posts recently on the basic principles of radiative physics and how they…