A pattern of distorted lines is visible as a reflection in this close-up view of a human eye. By observing the deformation of illumination patterns reflected off the eye's surface, researchers in ...

The diffraction spikes so familiar to us in space images are an intrinsic property of the telescope. Reflecting telescopes ... causing an interference pattern like ripples overlapping in a pond.

Researchers from Nanyang Technological University in Singapore have developed an optical ruler that ... So long, diffraction limit. "What makes it work is the precise pattern in which the slits ...