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...
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...

Detecting flicker with cameras

You may have noticed instances on TechSensitive.com that flicker has been reportedly detected when referencing only a photo or video.  This is because in many cases flicker can be...

Intro to visual stressors

Getting headaches looking at screens?  While everyone is different, there are four primary factors that could be contributing to this. Brightness Color Flicker Visual Gymnastics Brightness acts as a multiplier of symptoms caused by...

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Study finds dim lighting impairs hippocampal brain functions in mice

Neuroscience researchers at Michigan State University recently published a study examining how light affects functions of the hippocampus in the brain.  To do this...
Old CRT televisionvideo

High speed cameras illustrate old and new television technology

Ever wonder how those old, heavy, flickery CRT televisions and computer displays work?  And, how things have changed?  Watch as the SlowMoGuys illustrate how...

Nexus 9 – an affordable iPad alternative most suitable for advanced users

When the Nexus 9 was first released in November 2014 it sold for a rather expensive $400 USD for the base 16GB model, and...