This article may interest folks here.
http://www.northwestern.edu/newscenter/stories/2011/01/converting-heat-waste.html
They report using nanotechnology to glean up to 14% recovery of waste heat as electricity, which indeed would be pretty amazing. I'm guessing the "real" values are much less, but even 5% would raise an eyebrow.
http://www.northwestern.edu/newscenter/stories/2011/01/converting-heat-waste.html
They report using nanotechnology to glean up to 14% recovery of waste heat as electricity, which indeed would be pretty amazing. I'm guessing the "real" values are much less, but even 5% would raise an eyebrow.