Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...

A photograph of a cullet sorting machine in action. A suite of sensors enables sorting equipment to quickly purify crushed glass, or cullet, for recycling. Credit: Strategic Materials If you could ...

What are the most common types of light sensors? Two of the most common light sensors are phototransistors and positive-intrinsic-negative (pin) photodiodes. Both generate signals that vary with ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it into electrical signals. There are two main types of sensors: ...

Scientists have discovered the function of a third type of light sensor in the eye -- not vision, but control of the body’s internal clock -- opening a new pathway for potential treatments of ...

(Nanowerk News) To enable the development of wearable devices that possess advanced ultraviolet (UV) detection functions, scientists from Nanyang Technological University, Singapore (NTU Singapore) ...

To enable the development of wearable devices that possess advanced ultraviolet (UV) detection functions, scientists from Nanyang Technological University, Singapore (NTU Singapore) have created a new ...

Whether you’re looking for added security at home or easier navigation at night, motion-sensor lights can provide a boost of visibility whenever you need it. The best outdoor motion-sensor lights have ...