No matter what you do, matter can neither be created nor destroyed. This property of the universe is called the law of ...

If you could convert the mass of a paper clip entirely to energy, how big a punch would it pack? Einstein's most famous equation, E = mc 2, indicates the calculation is straightforward ...

Einstein came up with his famous equation showing a relationship between energy and mass... but what does it really mean? The answer might surprise you.

The difference or "missing mass" is converted into energy in accordance with Einstein’s equation E=mc². Because c is very large, a small amount of missing mass turns into a large amount of energy. The ...

Photo by Bortzells Esselte, courtesy AIP Emilio Segre Visual Archives. Enrico Fermi (1901-1954) left Italy in 1938 to receive the Nobel Prize for physics in Sweden. He never went back. He and his ...