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 […]

February 17 Energy [Science and Tech] News via GeoHarvy

Originally posted on geoharvey:
Science and Technology: ¶ A number of studies investigating the effect of wind turbines on birds have found that the actual impact wind turbines have on avians is relatively low. However, according to this new research, published in the European Journal of Wildlife Research, wind turbines’ effects on bats cannot be…

A ‘bionic leaf’ turns solar energy into chemicals and fuels

The site at the link below (“A ‘bionic leaf’ …”) presents a really interesting idea on how to store energy from the sun and at the same time act as a temporary carbon sink by absorbing CO2 for creation of the chemicals.  I will be looking forward to seeing how this plays out when they […]

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…

What the heck is an Earthship? … maybe an idea whose time has come!

Have you ever heard of the concept of an “Earthship“?  I was introduced to the concept by my brother-in-law about 14 years ago and was blown away.  What is an Earthship then?  In a nutshell, an Earthship is an Eco-friendly home, made predominantly from recycled materials, designed to be as close to “off-grid” as possible. […]

Power Surges and Drops – Causing Electrical Problems?

I don’t know if you have noticed it too, but there seems to be a lot more power outages and surges these days.  I’m not talking about the 20 day variety like the one that hit us during the ice storm, but rather the one and two second ones that seem to come in bunches […]