I guess these are the Strontium-90 RTGs made by the Soviets. There's about 1000 out there still - some have been vandalised, some washed out to sea, some sittin

I guess these are the Strontium-90 RTGs made by the Soviets. There's about 1000 out there still - some have been vandalised, some washed out to sea, some sitting rusting in a lighthouse outhouse etc. http://bellona.org/news/nuclear-issues/radioactive-waste-and-spent-nuclear-fuel/2003-11-two-strontium-powered-lighthouses-vandalised-on-the-kola-peninsula http://bellona.org/news/nuclear-issues/radioactive-waste-and...