Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new and faster method for detecting and measuring the radioactivity of minuscule amounts of radioactive ...

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 ...

The nuclei of certain atoms are stable and under ordinary circumstances, stable nuclei do not undergo change. The nuclei of other atoms are unstable. These nuclei undergo change spontaneously, that is ...

Scientists poke and prod at the fringes of habitability in pursuit of life’s limits. To that end, they have tunneled kilometers below Earth’s surface, drilling outward from the bottom of mine shafts ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. “What is radium and why is it dangerous?” – ...

Bill Lee currently receives funding from the Welsh Government and the European Regional Development Fund for his Ser Cymru Chair at Bangor University. He has previously received BNFL, EPSRC and NDA ...

A radioactive decay chain and the spectrum obtained by the INTEGRAL observatory. Note the scale of the vertical axis -- about one gamma quantum an hour per 1cm2! Disclaimer: AAAS and EurekAlert! are ...

What do granite and bananas have in common? Radioactivity. As it turns out, radioactivity is all around us and has been for eons. About 25 years ago, I was doing radiation surveys at a NASA research ...

Dr. Kuettel answers the question: 'Radioactivity After Seed Implantation?' March 16, 2009 -- Question: How long will I be "radioactive" after seed implant therapy? Answer: The permanent radioactive ...