science
Common Bricks May Record Evidence of Nuclear Weapons

Researchers have long studied retrospective dosimetry—looking at what kind of radiation was present in a room based on the signature left over in the environment. Frequently, this requires lots of treatment and work. One team of researchers at North Carolina State University thinks they have a simple way to detect the leftover radiation simply by taking a core of material out of a brick. Something like this could be important for things like nuclear weapons inspections. Read More >>