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Technorati 16 Aug 2009 | 11:12 pm


Do dimmers save energy? 24 Jun 2009 | 10:06 pm

Hi Elvis, give it to me straight on energy efficiency. If I dim my lights to 50% output do I save half on electricity costs or are there "losses" somewhere that mean I'm using more? I read on a forum ...

SELV downlights 19 Jun 2009 | 02:59 am

Hey Elvis, I got a tiny bathroom with no natural lighting. Yeah, I cut myself shaving all the time. I knew you were going to ask that. So I'm thinking of fitting some SELV downlighters. How do I calcu...

Dirac and Shrodinger 16 Jun 2009 | 11:12 pm

What are the main differences between the Dirac and Schrodinger equations of quantum mechanics? See Elvis' Answer

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