A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...

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 ...

Ocean-borne phytoplankton collectively absorb almost as much carbon dioxide as all the trees and land plants on Earth. Besides giving seawater a greenish tinge, the plankton have a significant impact ...

Understanding acoustic feedback in hearing aids. Power consumption challenges in hearing aids. Functionality integration and its impact on energy consumption. The benefits of using photoreflectors for ...

Smartphone cameras have improved dramatically since the first camera-equipped cell phone was introduced in 1999, but they are still subject to tiny errors in the alignment of different wavelengths of ...

A few days ago, we looked into how Apple could one day use brain wave sensors in AirPods to measure sleep quality and even detect seizures. Now, a new paper shows how the company is exploring deeper ...

Optical Finger Navigation (OFN) products from Avago Technologies offer a compact, precise, fast speed and highly reliable navigation solution, which will help enhance the overall system performance.

Apple is working on in-screen fingerprint technology for the iPhone 13, a feature that would be available right alongside Face ID as a secondary biometric option, according to The Wall Street ...