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 ...

A concentration of one part per billion is like a pinch of salt in 10 tons of potato chips—and scientists can now find radioactive particles at concentrations millions of times smaller. In the Journal ...

Accident dosimetry and radiation measurement techniques form a critical subset of radiation monitoring, enabling the reconstruction of absorbed doses following unplanned radiological events. These ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Jennet Orayeva, IAEA Department of Nuclear Sciences and ...

Partnership Agreement to Strengthen Radiation Detection and Measurement Capabilities at the Terrestrial Environmental Radiochemistry (TERC) Laboratory, Safeguarding the Environment and Promoting ...

Background radiation is the invisible radiation that is always present in our environment. It comes from a variety of sources, both natural and man-made. Natural sources include cosmic rays from space ...

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 ...

Detecting ever lower amounts of ionising radiation with ever better methods – sci-entists have had this goal since the start of the nuclear age. In addition to natural radiation, mankind is exposed to ...