Christmas lights to avoid in 2016 (video)

Selecting Christmas lights is like walking through a minefield.  Sure, these lights output relatively low amounts of light, but it's 2016 and harsh low-frequency flicker in Christmas lights is inexcusable. For...

Luminus Elite 50W LED replacement GU10 base (2017)

Having just reviewed the 2016 Luminus Elite 50w GU10 replacement bulb sourced from Costco we found that the bulb while it performed well enough, wasn't a good option for...

Philips 100w LED replacement E26 base (2016)

Need an excellent 100 watt-equivalent LED light bulb that's easy on the eyes and fits into a standard 120v light socket?  This is it. BASICS Connector:  E26 Medium Base (Standard,...
Graph illustration of typical CRI values

CRI: understanding the Color Rendering Index

Occasionally we cover topics incidental to lighting, but not directly related to light sensitivity.  This is one of those topics. If you've shopped for LED bulbs you might have seen...

LED vs incandescent bulbs: why quality now matters

For decades the better light bulbs were the cheaper light bulbs because they all had similar durability, appearance and performance.  These old-school bulbs worked on a simple premise: connect electricity from...

Sunlight (Reference)

It's hard to appreciate just how problematic LED lighting is without some reference to what 'good' old natural light looks like.  That fiery circle in the sky is notable for giving...

Luminus Elite 50w LED replacement GU10 base (2016)

Forever in search for a good flicker-free GU10 bulb, we came across the Luminus Elite 50w replacement bulb at Costco.  According to the spec sheet it scores very high...
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We like to keep an eye on the latest budget phones for suitable options available to all users, regardless of financial circumstances.  The Zenfone...

IrisTech.co – Our Favorite Brightness and Color Filtering Software

Without a doubt Iris is the best display filtering software we have ever tested.  For us, it integrates two very helpful features in one...