In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

Scenes from the nuclear theater of a long cold war: In the 1940s and '50s, when Americans still trusted their doctors and their government, researchers subjected hundreds of ill-informed people to ...

Pacific Northwest National Laboratory chemist Isaac Arnquist examines the ‘coupons’ of ultra-low radiation copper cables specially created for sensitive physics detection experiments. Background ...

A New Science. The beginnings. The setting ; Rays and radiation ; Becquerel's discovery -- The Curies. Maria Skłodowska ; A consequential meeting ; New elements! -- Rutherford, Soddy, particles, and ...

Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...

In the ruins of Chernobyl’s shattered reactors, something unexpected has taken root. Thick black mats of mold are thriving where radiation levels would shred human DNA, turning abandoned nuclear sites ...

Newly developed ultra-low radiation cables reduce background noise for neutrino and dark matter detectors. Imagine trying to tune a radio to a single station but instead encountering static noise and ...