News

Negative refraction of light using atoms instead of metamaterials Date: February 14, 2025 Source: Lancaster University Summary: Scientists have demonstrated that negative refraction can be ...
For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have ...
Refraction—the bending of light as it passes through different media—has long been constrained by physical laws that prevent independent control over how light waves along different directions ...
Reviewed Work: On the Double Refraction of Light, According to the Principles of Fresnel. Mr. M'Cullagh's Papers by Mr. M'Cullagh ...
From a flat mirror, designer light: Bizarre optical phenomenon defies laws of reflection and refraction Date: September 1, 2011 Source: Harvard University Summary: Exploiting a novel technique ...
Babak Tafreshi has created a mesmerizing time-lapse video showing light from stars bending as they set.
Scientists have created a new class of laser beam that appears to violate long-held laws of light physics. Known as “spacetime wave packets,” these lasers follow different rules of refraction ...
A refraction test is given as part of a routine eye examination. This test tells your eye doctor what prescription you need in your glasses or contact lenses.
1. Archerfish (Toxotes chatareus) spit droplets of water at aerial insect prey, knocking them onto the water surface to be eaten. Since the fish's eyes remain completely below the water surface during ...