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Recent Articles
How to Interpret Advanced Color Rendering Metrics: R9 (red), Rf (fidelity), Rg (gamut)
The traditional Color Rendering Index (CRI), long used by the industry, was initially improved with the addition of deep red tone values and ultimately replaced in 2015 by a superior method, TM-30, that provides buyers and specifiers with a more robust understanding of the color rendering capabilities of lamps.
TM-30 and the Evolution of High Color Rendering Testing for LED Light Bulbs
Light-emitting diode (LED) technology has revolutionized artificial lighting due to its high energy efficiency, long lifespan, and versatile form factors. Among the diverse types of LED products, high color rendering LED light bulbs are specifically engineered to produce light that... Read more »
Harmful Effects of Ultraviolet Lamps - UVA, UVB, UVC
Years ago, we published an article on the harmful effects of ultraviolet light from the sun. This article is a follow-up discussing the harmful effects of ultraviolet radiation from artificial sources like light bulbs. Ultraviolet light is naturally-occurring, and most... Read more »
How Veterinarians Use Ultraviolet Light to Diagnose & Treat Pets
The veterinary service industry in the USA is a large market, with pet owners spending $38.3 billion in 2023 alone for animal care and related products. There are over 100,000 veterinarians in the USA, and more support staff. While veterinarians... Read more »