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 from the Faculty of Physics at Vilnius University (VU) have developed a sensor capable of accurately detecting ...

Window seats offer great views but expose passengers to higher UV-A radiation due to less atmospheric filtering and ineffective window blocking. While occasional travelers face minimal risk, frequent ...

The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...