Browsing Archive: June, 2014

Bad News on Hydrogen Fuel Cell Cars

Posted by Antonio Chaves on Thursday, June 5, 2014, In : environmental news 
This article based on well-to-wheel analysis exposes some inconvenient truths about hydrogen fuel cell cars. Even though I am fascinated by the fuel cell principle and even include a lab activity on fuel cells, I have never been a fan of fuel cell cars. In fact, two of my activities (Lab 2-2: Transportation and Lab 3-6: Fuel Cell Dynamics) expose the inefficiency of extracting hydrogen from water for purposes of using it in fuel cells. This is why most hydrogen is extracted from natural gas (...
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Second Edition Update

Posted by Antonio Chaves on Wednesday, June 4, 2014, In : modified lab procedures 
I have not been much of a blogger because I am concentrating all my efforts on getting the new edition out before the end of the summer. The most important change I am doing is making many of the activities easier and more uniform in the amount of effort needed. I had to do this to deal with my new teaching situation. I am also trying to incorporate new activities and fix some glitches in some old activities. One significant glitch involves the use of thiosulfate to neutralize the toxic effec...
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About this blog

This blog was originally created in January 2013 to serve as a means for providing updates on science activities from the environmental science lab manual Ecology, Development, and Sustainability. I have now expanded its purpose to include other items of interest to science teachers. 

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