Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to ...

Researchers in Germany have unveiled an ultra-fast light switch made of very thin semiconductor ...

Bill Gates is backing a bold bet that the next leap in computing power will not come from squeezing more transistors onto ...

A team of researchers from the Keck School of Medicine of USC and California Institute of Technology (Caltech) have developed a potential new way to measure a person's stroke risk that is ...

(Nanowerk Spotlight) The human eye's remarkable ability to detect edges—the boundaries between light and dark areas in our visual field—is a fundamental aspect of how we perceive the world. This ...

Setup of the laser speckle contrast optical spectroscopy system used to monitor scalp and brain blood flow during temporary blockage of a major scalp artery near the temple. WASHINGTON, Oct. 21, 2025 ...

Measuring blood flow in the brain is critical for understanding response to a range of neurological problems, including stroke, traumatic brain injury (TBI) and vascular dementia. Obtaining such ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending spacetime, creating a point of no return. While black holes have fascinated ...

Optical device maker EZconn is seeing strong revenue and gross profit growth in the first quarter of 2024, thanks to the robust demand from broadband infrastructure construction in the US and ...

A new "lensless" device could help, as it uses light to instantly detect harmful microorganisms. Usually, in order to check drinking water for bacteria, a sample of that water must be cultured in a ...