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Originally Posted by Greg Needel
it all depends on the effeceny of the system. the best solar pannels are at most 30-40 percent effecent, so if you can get a system that works at a greater effency then it would be worth it, even though there is quite alot of solar energy...
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This acoustic Stirling engine seems intended as an alternative to RTGs (Radioisotope Thermal Generators) rather than as a replacement for solar cells. Such power sources are typically used in "deep space" missions where solar power is quite a bit less intense than in our vicinity.
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personally if it was me i would just make a really long extention cord and drop it to the earth so someone could plug in.....
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If your cord is sufficiently long, you don't even need to plug it in. You can just tap energy from Earth's magnetic field as you drag the cord through it.