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Commentary: Let's get real about alternative energy - Science 9/18/09 2:22 PM

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vote down flag .com - 5/18/2009 3 Commentary: Let's get real about — David MacKay says people engage in wishful Votes alternative energy thinking about energy because they don't look at the math.

3 BLOGS LINK TO THIS STORY and Physicists: Let's Get Real About Energy Al Fin: Basic Facts About the Energy Challenge Swans on Tea: Rotating Out of the Imaginary Plane

Optimized by physicsandphysicists.blogspot.com - 5/18/2009 1 PubMatic Let's Get Real About Energy — This is a rather good and eye-opening ScienceBlips TOP STORIES article . It gives, in very simple terms, the level (more) China's top climatologist stays 3 cool over 2C rise | Environment This Crip Smoked Tupac Cricket Video guardian.co.uk You Need to Read This To Know See Video of Today's Cricket What Really Happened, Who is Matches w/Free Cricket Toolbar Environmental Law Institute 'Baby Lane? 2 Optimized by eli.org PubMatic COMMENTS The Search 3 Leave a Comment xkcd.com

fMRI Gets Slap in the Face with a EXTENDED BLOG DISCUSSION 2 Dead Fish Let's Get Real About Energy neuroskeptic.blogspot.com Physics and Physicists — This is a rather good and eye-opening article. It gives, in very simple terms, the level of energy consumption using comparison that many people can understand. ... Other IN PICTURES Basic Facts About the Energy Challenge Al Fin — ...... The problem with hydrogen is that both the creation and the use of hydrogen are energy-inefficient steps. Adopting hydrogen as a transport fuel would increase our energy demand. And, as I hope the numbers above have shown, supplying energy to match our demand is not going to be easy. _CNN ...

Rotating Out of the Imaginary Plane Swans on Tea — Commentary: Let’s get real about alternative energy Lots of good stuff, including some tips that quantify some suggestions for efficiency, Take, for example, the idea that one of the top 10 things you should do to make a difference to your energy consumption is to unplug your cell-phone charger when you are not using it. The truth is that leaving a phone charger plugged in uses about 0.01 kWh per day, 1/100th of the power consumed by a lightbulb. This means that switching the phone charger off for a whole day saves the same energy as is used in driving an average car for one ...

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