Posts Tagged ‘Kelvin’

Should you care what light your dentist is using?

Monday, November 21st, 2011

It has been said that matching natural teeth with an artificial restoration can be one of the most challenging procedures
in restorative dentistry.

 

So if you are the individual in the chair, what piece of basic infrastructure will you hope your dentist has installed correctly?

 

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Better Lighting For Your Computer

Monday, June 7th, 2010

Ever notice how people texting at night have that eerie blue glow? Or wake up ready to write down the Next Great Idea, and get blinded by your computer screen?

During the day, computer screens look good—they’re designed to look like the sun. But, at 9PM, 10PM, or 3AM, you probably shouldn’t be looking at the sun. This little software tool called “F.lux” is all you need to change it. It makes the color of your computer’s display adapt to the time of day, warm at night and like sunlight during the day. (more…)


The Colour Rendering Index (CRI)

Monday, February 15th, 2010

We felt it is high time to write a brief blog article about the so-called “colour rendering index“, or CRI as its abbreviation is called. The CRI is often quoted in “Ra” (general color rendering index).

 

What does Wikipedia have to say about the CRI: “The color rendering index (CRI) (sometimes called color rendition index), is a quantitative measure of the ability of a light source to reproduce the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as photography and cinematography. It is defined by the International Commission on Illumination as follows: ‘Color rendering: Effect of an illuminant on the color appearance of objects by conscious or subconscious comparison with their color appearance under a reference illuminant’.”

 

As this sounds a wee bit complicated, we’ve prepared an article which (hopefully) explains a bit mor simple what the CRI is and does. (more…)