For thousands of years, thinkers argued about whether light is made of particles or waves. At the beginning of the 20th ...

This is diffraction - the spreading out of waves when they go through a gap, or past the edge of a barrier. The extent of the spreading (diffraction) depends on how the width of the gap compares ...

Diffraction Grating Manufactured by Inprentus Inprentus manufactures the world's most advanced diffraction gratings for x-ray ap ...