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 ...

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 ...

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 ...

In the ruins of Chernobyl’s shattered reactors, something unexpected has taken root. Thick black mats of mold are thriving ...

The purpose of this Sandia National Laboratories' sponsored study is to support existing and future activities under the National Nuclear Security Administration (NNSA) Office of Radiological Security ...

As the COVID-19 pandemic continues to severely impact all aspects of human activities, so too has it impacted the regulatory oversight of radiation sources which are used mainly in medicine, industry ...

UV radiation is invisible to the eye and it is non-ionizing form of radiation in the 100 nm to 400 nm wavelength region of the electromagnetic spectrum. UV radiation is arbitrarily divided into UV-A ...

Galactic Cosmic Rays (GCR) and unpredictable Solar Particle Events (SPEs) pose a significant threat to astronauts during exploration missions to the moon or Mars. Each radiation source has a unique ...

Advances in cancer therapies continue to improve survival rates for patients with overall cancer death rates from 2013-2017 decreasing for men, women, children, and adolescents and young adults, ...