There are already several startups working right now on molten salt reactors, thorium-fueled reactors and other exciting advanced nuclear technologies. Almost all these startups are the pet projects of billionaires who have so much money that they don't mind taking irrational investment risks. These guys are so passionate about inventing the technology that could save the world from the coming global energy crisis that they're willing to take an irrational investment risk to try and make it happen.