Optics research uses dim light to produce bright LEDs

Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ...
TechWalls

How to Hardwire the Home Accents Holiday 3-ft Jumbo White Bulb (No Drilling Required)

Snip the wire near the LEDs and pry the assembly upward. The LED module is lightly secured—it might take a flat screwdriver ...
IEEE

Detection and tracking of a human using the infrared thermopile array sensor — “Grid-EYE”

Abstract: Human detection using sensors preserves the privacy. The Passive Infrared (PIR) sensor is used to detect the presence of human. But this detects the human only if they are in motion.
The New York Times

The Best Light Therapy Lamp

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...
IEEE

DeepPIRATES: A Training-Light PIR-Based Localization Method With High Generalization Ability

Abstract: Pyroelectric infrared (PIR) sensors are much promising for device-free localization (DFL) due to their advantages of lower cost, low power consumption, and privacy protection. Most PIR-based ...