Abstract: Polarization navigation is an emerging autonomous navigation technology suitable for unmanned underwater vehicles (UUVs). Nonetheless, light refraction poses challenges for underwater ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric Editor Corin Cesaric is a Flex Editor at CNET. She received her ...

Visualization of atoms placed in an optical cavity, interacting with each other as well as with the light mode. Credit: Yao Wang @ Emory University Researchers discovered that when atoms interact and ...

Optical telescopes are essential tools in astronomy, built to collect and focus light from distant celestial objects. By capturing and concentrating photons onto a detector, these instruments allow ...

In 1845, physicist Michael Faraday provided the first direct evidence that electromagnetism and light are related. Now, it turns out that this connection is even stronger than Faraday imagined. In his ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...

Red light therapy has skyrocketed in popularity over the past several years as a treatment for everything from hyperpigmentation to fine lines to promoting hair growth. As a result, expensive at-home ...

1 Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China Correspondence to Dr Jason C. Yam, Department of Ophthalmology and Visual Sciences, Faculty ...

The more light you are exposed to at night, the higher your risk of heart disease, according to the largest study yet on how night light affects heart health. Multiple environmental and behavioural ...

As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer. Lighting in urban areas like Chicago (shown) has gotten brighter ...