Introduction In this blog post I look at the vintage light bulbs lawsuit filed by the University of California Santa Barbara Here at LightBulb AtoZ we are big fans of the Edison style vintage bulbs. For example the one from Brightech shown in the photo above. So, we were a little surprised to read a …
Introduction Hi, and welcome to this blog about CRI, or Color Rendering Index in lighting. Firstly let’s think a little about color. When I say green what shade or green do you think of. Probably a different one from me. So how do we define what is the color we are talking about. Moreover, unless …
Introduction In this post I answer the question of what are GU10 vs MR16 light bulbs. GU10 is a connector Lets start with what GU10 is not. It is not a definition of the light bulb. Rather it defines the connector at the bottom of the bulb. GU stands for General Usage and the 10 …
How imports Christmas tree light to the United States? Introduction This blog post looks at where do Christmas tree lights come from. Firstly, I am going to make a big assumption. That being that they are not made in the U.S.A. Previously in two articles I have looked at whether light bulbs are made in …
A brief look at how LED light bulbs work. Today our blog post looks at how does a LED light bulb work. Simple put an LED light bulb works by containing several LEDs. Under power a current passes through the LED which then give out light. So what is an LED? What is a LED …
Introduction I don’t know about you but if a light bulb in my house lasts for 2 years we celebrate. In contrast, there is a light bulb in California fire station that has been working since 1901. Making it the longest burning light bulb in the world. Early days of the bulb Dennis Bernal donated …
Introduction Just this morning I was thinking about taking my old, used light bulbs to the recycling center. In view of not wanting them to go to landfill. As a result of this I thought about recycling. And how it seems a relatively new idea. However, this is just not the case. In fact a …
In this blog post we look at the different types of light bulbs. Covering the four main types normally available to buy. Types of Light Bulbs Incandescent Incandescents have a wire filament that is normally made from tungsten. The bulb is filled either with an inert (unreactive) gas or the air is removed to form …
Introduction So, what is ENERGY STAR certified? In a nutshell: It is a government-backed scheme. Providing certification of energy efficiency. The Environmental Protection Agency (EPA) oversees the scheme. Who does the testing? Over twenty independent certification bodies and more than 500 labs. All checking out the products. making sure they meet the strict standards for …