Radioactive sources contain radioactive material of a particular radionuclide (an unstable form of an element emitting radiation), which can vary based on the application for which the source was ...

Radiation can be defined as energy traveling through space. There are two types of radiation, ionizing and non-ionizing, which are differentiated by how they interact with matter. Non-ionizing ...

Scientists investigating the Fukushima Daiichi nuclear power plant in Japan have found an unexpected source of radioactive material at the site. The rest of this article is behind a paywall. Please ...

Synchrotron radiation sources generate highly brilliant light pulses, ranging from infrared to hard X-rays, which can be used to gain deep insights into complex materials. Using concrete examples, ...

Researchers have now succeeded in producing an extremely simple and compact source of terahertz radiation: An oscillator with double resonant-tunneling diodes. Its radiation power significantly ...

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. Radiation is energy that moves from one place to another ...

Electricity is a regular part of life these days. Most people who grew up in the U.S. don’t know what it’s like to live without a readily available energy source in their home. Our homes are filled ...

The radioactive drug industry is booming. The radiopharmaceuticals market is expected to grow 10% a year to reach more than ...

Congress asked the National Academies to review the civilian uses of radiation sources that contain radionuclides and the potential replacements for sources that pose a high risk to public health or ...

The amount of radiation emitted from the human body is extremely low and not dangerous, according to experts. Even with many people standing together in an isolated space, our bodies would act as ...

Thanks to stints as an X-ray technician in my early 20s followed by work in various biology labs into my early 40s, I’ve been classified as an “occupationally exposed worker” with regard to ionizing ...