Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Some of the most sensitive methods of measuring magnetic fields use interactions of resonant light with atomic vapour. Recent developments in this vibrant field have led to improvements in sensitivity ...

For more than a century, photographers have had to choose which part of a scene should be tack sharp and which parts would ...

Independent Analysis Examines Multi-Caliber Alignment Device as Shooters Prepare Optics for 2026 SeasonPLANO, Dec. 26, 2025 ...