The first direct visualization of the shape of a photon has been created. These particles of light are impossible to photograph, but physicists at the University of Birmingham have now calculated ...

The normal distribution is a concept in statistics that assumes all values are distributed in the same pattern. It requires symmetry and consistent proportions in the distribution of values. Normal ...

Fine powders and granular materials are extensively employed in industrial applications. These materials have to be properly characterized to control and to improve the processing techniques. The ...