A Bangladeshi student has developed a system that can produce electricity without any fuel, claiming it to be the world's cheapest form of power.
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http://archive.thedailystar.net/beta2/news/student-invents-technology-to-produce-worlds-cheapest-power/ (http://archive.thedailystar.net/beta2/news/student-invents-technology-to-produce-worlds-cheapest-power/)
There is nearly no information about this technology to react on this news item.
Heavy rolling object engine!!!! (circus bicycle?) :-[
http://www.youtube.com/watch?v=Pm9eJsLlP4M