What type of coolant should you use for your solar system?

I just came across an interesting item describing the three most common types of coolant for solar hot water systems and some of their properties. The article seems to be written by the manufacturer so there may be a bit of bias, but it does highlight the issues inherent in coolant selection. It is short […]

The same old energy mix — The Japan Times editorial

The same old energy mix — The Japan Times editorial. I follow the folks that write Japan Safety: Nuclear Energy Updates and they just posted an article from the Japan Times where they look at the current government’s plans for energy sustainability over the next few decades. The picture is disturbing in light of the […]

A molecular approach to solar power (MIT News)

Originally posted on Open Matters:
The working cycle of a solar thermal fuel, using azobenzene as an example. (Courtesy of Jeff Grossman.) A molecular approach to solar power Switchable material could harness the power of the sun — even when it’s not shining. David L. Chandler | MIT News Office April 13, 2014 It’s an…

Construction is set to begin on a $150 million-plus solar powered greenhouse in South Australia’s Port Augusta

John [jpratt27] has published an excellent summary of a new plan to develop a new solar-powered greenhouse in South Australia.  This plant will not only produce fresh vegetables but will also be used to desalinate water in a very arid region.  A few more details are needed about how the resulting salts will be dealt […]

The Australian Academy of Science says man-made climate change is real.

Originally posted on jpratt27:
The Australian Academy of Science says man-made climate change is real and the consequences will be dire if no action is taken to address it. The academy, in an update to its science of climate change booklet produced in 2010, says its authoritative account of the science behind global warming will…