In the face of the energy crisis, many urban authorities are limiting the lighting of public buildings. The measure is designed to make savings, but also to act as an example to others. To save energy ...

Lighting plays a crucial role in architecture: to allow users to see, safely inhabit spaces, and carry out their daily activities. But its power has long exceeded these basic functions, primarily ...

Fundamentally, a microscope comprises two subsystems: an illumination system to illuminate the sample and an imaging system that produces a magnified image of the light that has interacted with the ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

While there are many variations of white LED light available today, they all fall under three basic categorical descriptions: “warm white,” “pure white,” and “cool white.” At opposite ends of the ...