Very interesting comment on Rossi's blog passed along to me by a friend. Watch the nitinol heat engine video.
1. gaby de wilde March 11th, 2015 at 8:55 AM <http://www.journal-of-nuclear-physics.com/?p=874&cpage=9#comment-1061270> Hello Andrea Rossi, I would like to point your curiosity at the [forgotten] Nitinol engine ( memory metal / Nickel-titanium ) It could be interesting as such engines run amazingly efficient even on small heat gradients. The original idea [back in the days] was to use waste heat as a source. The video here gives some historic perspective. http://blog.go-here.nl/8652 Hope this helps! Good luck!
