I will admit I"m the kind of person who likes to know. For this reason I research and research and research....
I do not have a medical degree (Was studying engineering not medicine) But due to the research I've done I have had a medical "Thesis" that got reviewed and was deemed worthy of publishing in a medical textbook. I've not seen the textbook but.. Well.. To be honest it's kind of scary..
For those who wonder. Companies like Edmund Scientific sell kits "Build your own demonstaration generator"
What I'd like to get more info on is this:
Story (Popular mechanics I think) went that in Viet Nam the military was using generators powered by Sterling Cycle engines.. I'd love to get info on them, how efficient they are and so on. Those are interesting. also very very very quiet.