If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Drivers often notice something odd while sitting in traffic on a bright, sunny day. Beyond the glow of brake lights, some vehicles ahead are driving with their headlights fully illuminated under ...

Abstract: Because China’s high-speed railway diverts many passengers from the existing railway, the existing railway network capacity has greatly increased, which provides convenient conditions to ...

Abstract: This article presents a self-powered image sensor with a novel pixel architecture with energy harvesting capabilities. Pixels are autonomous entities that can harvest or sense illumination ...

Department of Physics, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Korea Institute of Quantum Systems, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, ...