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 ...

Scientists cheered another indication that the Atomic Age was starting to roll. After long delay and soul-searching, the Manhattan District this week agreed to supply qualified customers with about ...

Kyle Clavier, left, and Dan Clayton are helping develop a standardized screening method to determine the most important radioactive isotopes to monitor from all of those produced by an advanced ...

Nobel laureate Otto Hahn is credited with the discovery of nuclear fission. Fission is one of the most important discoveries of the 20th century, yet Hahn considered something else to be his best ...

Computer rendering of the experimental setup to detect decay signatures of isotopes. A beam of excited sodium-32 nuclei implants and decays in the Facility for Rare Isotope Beams Decay Station ...

MOSCOW (Reuters) - Russia's state weather agency said on Monday it had found the radioactive isotopes of strontium, barium and lanthanum in test samples after a mysterious accident during a test at a ...