Yeah. I want one of these for my back yard:
http://www.technologyreview.com/energy/23247/
Imagine, a maintenance-free nuclear reactor? Sure, it’s for manned space exploration, but dayum it’s nice to see a feasible solution.
Disclaimer: I’m 100% in favor of nuclear power on earth, too. Although it’s not a renewable resource, it’s a darn sight cleaner than all of our other non-renewable resources.