WASHINGTON (voa) – Concerned that al-Qaida may have acquired nuclear materials, the Bush administration has reportedly deployed hundreds of sophisticated radiation sensors in the Washington area, ...

Maintaining international nuclear security requires tracking and monitoring fissile materials, such as plutonium and uranium. Standoff radiation detectors, which can measure radioactivity from afar, ...

A new detector system based on the game 'Tetris' could enable inexpensive, accurate radiation detectors for monitoring nuclear sites. The spread of radioactive isotopes from the Fukushima Daiichi ...

The University of Jyväskylä (Finland), in collaboration with the Finnish Radiation and Nuclear Safety Authority (STUK), has developed a new type of handheld multi-purpose radiation detector that ...

Radioactive particles often contain very high radioactivity concentrations and are widespread. They pose a potential risk to human health and the environment. Their detection, quantification, and ...

(Nanowerk Spotlight) When a patient receives radiation therapy for cancer treatment, doctors must carefully control the radiation dose to target tumor cells while sparing healthy tissue. This requires ...

Silicon semiconductors are widely used as particle detectors; however, their long-term operation is constrained by performance degradation in high-radiation environments. Researchers at University of ...

In their search for dark matter, scientists from the XENON Collaboration are using one of the world's most sensitive dark matter detectors, XENONnT at the Gran Sasso Laboratory of the National ...

Most people interpret radiation as a bad thing—but it isn’t always. In fact, radiation is a very normal phenomenon. For now, let’s just say that radiation is when an object produces energy. When a ...

A Houston Police Department officer driving to work last month felt the buzzing vibration alert of a cell-phone sized device provided by the federal government as part of a grant program. The buzzing ...