Nuclear weapons are the most devastating things humans have ever created. They are so powerful and terrible that nations that have them strictly control how they are used and handled.
That being said, over the 75-year history that nuclear weapons have existed, accidents have happened.
While not common, they have happened enough that the US military has a code word for such events.
Learn more about broken arrows and what happens when there are problems with nuclear weapons on this episode of Everything Everywhere Daily.