The geek is male. Or so it seems. As is well documented, there is a distinct under-representation of girls studying computing at high school level and, correspondingly, going on to have careers in IT. To address this problem in 2007 the authors of this book, with backgrounds in …
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Biogas is generated during anaerobic digestion (AD) of sewage sludge at wastewater treatment works (WWTW) and consists of approximately 50-70 % methane (CH4) balanced primarily by carbon dioxide (CO2). It is commonly used directly as a fuel gas for the renewable generation of el…