In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

The levels of activity in radiopharmaceuticals that are administered clinically are governed primarily by the need to balance the effectiveness and the safety of the medical procedure by choosing the ...

It used to be the most radioactive Hanford building that could be physically seen from Richland. Years ago, the worst of its radioactivity had been cleaned out. Today, its demolition has barely begun.

The Hanford site vitrification plant being built to treat radioactive waste now has two massive melters heated to full temperature of 2,100 degrees Fahrenheit. The next step will be to begin running ...