Splitting the Atom

Physicists from the alien civilization on … have managed to split the atom for the first time. With the discovery of nuclear fission, nuclear weapons are inevitably being produced and nuclear power plants are coming online. The … has entered the critical phase where they suddenly possess the means to destroy their own world with the press of a button.

The command below will trigger the "Splitting the Atom" event in Stellaris:

When this event fires, you can choose between the following option:

• A significant development.