News tagged with lens

A protein safeguards against cataracts

The refractive power of the human eye lens relies on a densely packed mixture of proteins. Special protective proteins ensure that these proteins do not clump together as time passes. When this protective ...

Oct 23, 2013
4.6 / 5 (5) 0 | with audio podcast

Multiview 3-D photography made simple

Computational photography is the use of clever light-gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.

Jun 19, 2013
4.6 / 5 (10) 0 | with audio podcast

A space-time magnifying glass

(Phys.org) —Bright arcs are smeared around the heart of galaxy cluster Abell S1077 in this image taken by the NASA/ESA Hubble space telescope. The arcs are stretched images of distant galaxies distorted ...

May 15, 2013
5 / 5 (5) 5

Liquid lens shrinks laser measuring device

Lasers are widely used in many areas of science, industry and medicine and the quality of the beams they produce needs to be measured to make sure they perform correctly. As electronic devices become smaller ...

May 10, 2013
5 / 5 (3) 0