Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the most familiar sources of ...

The blast is what people imagine. A sudden flash, a rising cloud, the moment when history splits into “before” and “after”.

The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...

Radioactive material supports many activities that improve lives around the world. Only a limited number of specialized facilities produce these materials, so safe and secure tran ...