What do bananas, smoke alarms, toilets and large granite buildings have in common? They're all sufficiently radioactive to set off detectors. Efforts since 9/11 to prevent the detonation of a dirty ...

Researchers at Hiroshima University (HU) in Japan have developed a way to leverage the cameras on smartphones to provide accurate radiation readings. The system they created costs less than US$70 and ...

Snapshots from space may someday confirm the presence of lakes and oceans on Europa–one of Jupiter’s moons–and on other planetary bodies. Imaging detectors that capture information from every ...

The networked devices were developed as part of the SIGMA program, which began in 2014 with the goal of creating a cost-effective, continuous radiation-monitoring network that can cover a large city ...

A smartphone camera can make you a walking gamma ray detector. Without needing any extra hardware, you could get a warning on your phone when you're approaching potentially harmful levels of gamma ...

Members of the bomb squad from the Franklin County sheriff's office hope their new radiation detectors, small enough to hook onto a belt, never have anything dangerous to detect. "This is one of those ...

Each day on Long Island, hundreds of police officers take to the roads to protect New York City from the unthinkable. Wearing portable radiation detectors on their belts, officers in Suffolk and ...

Scientists have devised ways to improve the performance of radiation detectors, such as those used by law enforcement agencies to locate and identify radioactive material. Scientists at the U.S.

NEWARK, N.J. – More than 200 times each day, authorities detect radiation in containers arriving off cargo ships at Port Newark. It's in ceramic tiles, granite, pottery, kitty litter — all natural ...

Over the years we’ve featured quite a few radiatioactivity detectors, which usually include a Geiger-Muller tube, or perhaps a large-area photodiode. But in the event of radiation exposure from a ...

Following the news that the damaged Fukushima Daiichi nuclear power plant in Japan might be emitting dangerous levels of radiation, workers and officials have only been permitted to get so close to ...

W A S H I N G T O N,   July 4 -- Beyond all of visibly stepped-up security for the Independence Day holiday, some virtually invisible layers of protection were also in place in several U.S.