For all people, who want to see not trace amounts of heavy metals, I would recommend this: ID:2457989
Not sure why this is front page. The Reactor, as the Creator instructs us, doesn't work, especially not with the fuel he says we should use. If anyone wants to try and produce something besides CO2 and Noble Gas, try adding Electrons to the mix - with that I was able to produce some trace amounts of Polonium.
reactor is broken fuel won't go in
Sorry, Disaster3432, the fuel of this reactor was not projected for meltdown. But you can make your own fuel.
Thank you for the idea, MBCommandNerd.
You should make a pre-made fuel sphere so that you don't have to mkae one every single time. Just put it inside a stasis wall to keep it from exploding. You can then copy+paste it into the reactor and remove the stasis wall, and it'll work just fine.
LordOfTheWorld, please tell, how did you launch it? Maybe I can help you.