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 ...

Scientists have developed a new type of handheld multi-purpose radiation detector that comprehensively detects all types of ionizing radiation. The device can be used by industrial and medical ...

γ Rays are high-energy photons released by uranium, plutonium, and other radioactive atoms undergoing fission. Detectors of these rays therefore play key roles in nuclear safety, national security, ...

Semiconductor pixel detectors are an important class of radiation and particle detection devices based on semiconductors, such as germanium or silicon (Si). A semiconductor diode is depleted by ...

Neal Stewart receives funding from federal organizations. This work was funded by the Defense Advanced Research Projects Agency. Neal Stewart is an inventor in plant biotechnology, though none of the ...