How do small modular nuclear reactors work, and how safe are they if S’pore decides to use them?

How small modular nuclear reactors work, and the safety of SMRs if Singapore decides to use them. Read more at straitstimes.com.
SlashGear

What Exactly Is A Nuclear Reactor Used For And How Does One Work?

The US has the most nuclear power plants in the world. However, despite this, it remains a divisive subject that people seem to either embrace or shun in equal measure. We won't go into this argument ...
The Defense Post

DARPA Taps SpaceNukes to Test Autonomous Nuclear Reactor Controls

The US DARPA has tapped SpaceNukes to test controls for a small nuclear reactor designed to operate autonomously in remote environments.
SpaceNews

Space Nuclear Power Corporation Awarded DARPA Agreement for Ground Test of Autonomous Nuclear Reactor Controller

Space Nuclear Power Corporation Awarded DARPA Agreement for Ground Test of Autonomous Nuclear Reactor Controller ...