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Should questions about perpetual motion machines be preserved?

We have two questions on this site about perpetual motion machines. Solar energy without the sun: Super LED light on top of solar panels? Getting power from an innovative new mechanism Both ...
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5 votes
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Beginner's Guide to Sustainable Living

As a new member of the site, it occurred to me that someone just starting out with trying to live sustainable would not have a readily accessible way of finding out where to start on our site. I'm ...
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5 votes
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Are life cycle analysis questions 'doable' - how do we deal with them?

This inquiry was triggered by the question What is the scrap value of wind renewables?. The question essentially asks for the 'scrapping' part of the life cycle analysis of a wind turbine (a full LCA ...
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