strontium

After years of polluting Earth’s atmosphere and ecosystems with nuclear material from atomic bomb tests, the U.S. government in 1953 launched “Project Sunshine,” a secret, international program to study the amount of radioactive fallout in the environment. The cheery-sounding program sought particularly to understand the impact of strontium 90, an unstable, radioactive version of a […]

Washington State University physicists have found a way to write an electrical circuit into a crystal, opening up the possibility of transparent, three-dimensional electronics that, like an Etch A Sketch, can be erased and reconfigured. The work, to appear in the on-line journal Scientific Reports, serves as a proof of concept for a phenomenon that […]