Sidewalk, which launched in 2020, is a low-power, low-bandwidth, long-range IoT network that is free to use. While Ring ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already ...

Drone technology is evolving dramatically transforming industries from public safety to construction and agriculture.

A comet from another star system is sweeping through our cosmic backyard and, for the first time, astronomers have picked up ...

The fast development of advanced driver-assistance systems (ADAS) has transformed basic safety functionalities into important ...

At the heart of every camera is a sensor, whether that sensor is a collection of light-detecting pixels or a strip of 35-millimeter film. But what happens when you want to take a picture of something ...

A new type of sensor that levitates dozens of glass microparticles could revolutionize the accuracy and efficiency of sensing, laying the foundation for better autonomous vehicles, navigation and even ...

Ultrasonic sensors measure the distance between a target and the sensor using high-frequency sound waves that are inaudible to humans. The process is simple: the sensor emits ultrasonic waves, which ...

On the left is a non-Earth satellite image of TRACERS-2, a spacecraft that is part of a NASA mission to study how the Sun's energy interacts with Earth's magnetic field, collected in August 2025.

School of Physics and Optoelectric Engineering, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, P. R. China Guangdong Provincial Key Laboratory of Sensing ...

The cutting action of a robot mower is different than the typical walk-behind mower, which spins a large steel blade designed ...