Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Researchers have developed a new optical sensor ...

Researchers at Panasonic’s imaging division have found a way to increase the sensitivity of digital camera sensors, which in turn equates to almost double the brightness in photos taken in low light ...

Luminescent paper discs under UV lamp: (1) without enzyme; (2), (3) and (4) with β-glucuronidase enzyme. In the presence of the enzyme, the discs show strong green luminescence. Researchers at the ...

BALTIMORE — Imagine being able to swab the inside of your mouth, place it in a device and quickly know whether you’re infected with COVID-19. Johns Hopkins University researchers say they have ...

New type of biological and chemical sensor based on hydrogel works by determining pH. The microscopic images at bottom show how the hydrogel stripes expand with decreasing acidity. (Photo courtesy of ...

Sensors that detect and track small metallic objects are handy gadgets, whether used to route workpieces on an assembly line or comb a beach for “treasures” lost in the sand. A typical sensor design ...

A simple sensor inside the mailbox can cue an instant voice alert indoors First, set up the YoLink motion sensor using its app, and then attach it to the inside of the mailbox (it's magnetic). Next, ...

HVAC filter monitoring: Pressure sensors for differential pressure measurement to detect if the filter needs to be replaced. Door Open/Close in Industrial/Medical Facilities: In strong controlled ...

A new easy-to-use optical fiber sensor achieves sensitive and real-time detection of extremely low levels of arsenic in water. WASHINGTON — Researchers have developed a new optical sensor that ...