When my eyesight started going soft around 40, I discovered I was not alone. Nearly everyone who has joined this aging demographic also needs reading glasses. My theory is that our species has ...

High-performance infrared cameras are crucial for civilian and military applications such as night-vision goggles and search-and-rescue operations. Existing cameras usually fall into one of two types: ...

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

Researchers at the University of California, Los Angeles (UCLA) have unveiled a new optical technology that enables precise focusing of light—only in one direction. This novel unidirectional focusing ...

Engineered to Protect Vision Indoors and Out – Beyond UV Protection GLENS FALLS, NEW YORK / ACCESS Newswire / December 11, 2025 / Solir Optics, an emerging leader in protective eyewear innovation, ...

When my eyesight started going soft around 40, I discovered I was not alone. Nearly everyone who has joined this aging demographic also needs reading glasses. My theory is that our species has ...

Researchers have found a way to integrate active and passive infrared imaging capability into a single chip, opening the way to lighter and simpler dual-mode cameras. High-performance infrared cameras ...