Kirk Sorensen: The Future Of Energy? by Adam Taggart Imagine a form of nuclear energy with greater output and virtually no safety issues. Such is the promise of liquid flouride thorium reactors (LFTRs). Kirk Sorensen returns to the podcast this week to update us on the current state of thorium power. Kirk Sorensen: The Future Of Energy? by Adam Taggart Imagine a form of nuclear energy with greater output and virtually no safety issues. Such is the promise of liquid flouride thorium reactors (LFTRs). Kirk Sorensen returns to the podcast this week to update us on the current state of thorium power.