Cherenkov radiation glowing in the core of the Advanced Test Reactor (ATR), a research reactor at the Idaho National Laboratory, Idaho, USA. Cherenkov radiation is electromagnetic radiation emitted when a charged particle (such as an electron) passes.
This is a really well done infographic. I just want to look into how Thorium is sourced, handled, preserved and at what potential cost. Diagram of Thorium, an alternative fissionable element suitable for nuclear energy production.