Energy from Metal
Posted: 21 Oct 2005, 21:25
http://www.newscientist.com/article/mg18825221.100.html
The full length article make the concept very plausible, and reminded me of some alternative economy ideas for spring that have been kicked around in the past.
The full length article make the concept very plausible, and reminded me of some alternative economy ideas for spring that have been kicked around in the past.