Light quality detection and measurement are essential for plant growth and development 1. Under natural growth conditions, due to environmental factors such as clouds, rain, and other climatic factors ...

Light is a form of electromagnetic irradiation whose energy causes responses in natural biological systems. Prominent examples are the photosynthesis in green plants, algae and some specific bacteria, ...

Nearly two centuries after Michael Faraday first showed that magnetism can twist light, physicists have gone back to that classic experiment and found a hidden piece of the puzzle. By teasing out a ...

The photoelectric effect is a phenomenon where light knocks electrons out of a material, resulting in the emission of these electrons, called photoelectrons. Albert Einstein explained the ...

We feature a lot of fun projects with LEDs and lasers and all kinds of light effects going on. Most of these are very digital ...