A month with an electricity monitor

Posted in Geek, Science at 2:00 pm by David Bradley -- 5 Comments; add yours

 

Right, the kettle is on for a morning brew and apparently our household is using 3.07 kilowatts. That will include the chest freezer in the garage, the refrigerator in the kitchen, the electric kettle, my laptop and wireless network, oh and a little device sitting on my desk right now that’s monitoring all those electrons as they speed through the mains supply cable.

electricity monitor

The monitor …

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Biofuels vs Fossil Fuels

Posted in Science at 1:00 pm by David Bradley -- 8 Comments; add yours

 

Biofuels are not much better than fossil fuels in terms of the impact on atmospheric pollution levels and effects on climate change, according to Mark Jacobson professor of civil and environmental engineering at Stanford University. This is especially true when making claims about the sustainability of biofuels in comparison with hydrogen fuel cells and battery-driven electric vehicles charged up using solar, wind, tidal or other truly renewable energy sources.

To quote from his web page, the …

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Earth Hour

Posted in Science at 6:26 pm by David Bradley -- 15 Comments; add yours

 

The logo for Earth HourIs Earth Hour a great way to raise global awareness of how much energy we are wasting and the possible consequences or our actions? Or, is it simply a cop out so that we can all feel we did "our bit" for the environment without expending any real effort?

With just hours to go for us Brits before we have to switch …

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