This video is an interactive lesson in calculating an atom’s mass and atomic number. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of ...

Scientists trying to discover the elusive mass of neutrinos, tiny "ghost particles" that could solve some of the universe's ...

These particles are so ghostly that trillions of them pass through Earth each day without notice. So, how do we detect them?

This process, known as atomic level manufacturing (ALM), is well ... such as tungsten-copper, from metals that do not naturally form an alloy phase when melted together. In the field of ...