http://www.esato.com/archive/t.php/t-70969%20-miniature%20petrol%20engine
Is that for real? Could it have practical uses?
Seems legit.
http://www.labonline.com.au/science/latest_news/article.asp?id=4850
Dunno why you’d use a machine with moving parts to power something like a phone, i.e., I think that the uses proposed in the story are silly, but it’s interesting nonetheless.
I’ll see if I can find a photo.
The guy’s bio can be found here:
http://www.eng.bham.ac.uk/mechanical/people/jiang.htm
Again, the story seems legit.
Photo here:
Wow. That would be great to power a model railroad locomotive. 
MIT Tech Review has an article about miniature jet engines for the same applications. Not only are there moving parts, but moving at a million RPM.
http://www.technologyreview.com/articles/04/11/freedman1104.asp
Is that a jet engine in your PocketPC, or are you just pleased to see me?
“Did you just fart?”
“Naw. It’s just my watch charging up.”
So what, some day I’m gonna have to take my watch and laptop in every year for an emissions inspection like my car? 