The new Homeland Security bulletin, a copy of which was obtained by ABC News, said the contamination is "very likely" to ...

In this lesson, students will simulate the randomness of decay in radioactive atoms and visualize the half-life of a sample radioactive element. This lesson can be completed in two (2) 45-minute class ...

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 ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

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 ...

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 ...