david k warfel
Introduction to a new series for 2025...and beyond? Light, to me, is the first divine gift of the universe. In the middle of a career centered on light, I have more questions than answers, despite knowing more than ever before. Why, for example, do so many people suffer from light that hurts as much as... Continue Reading →
Feeling a bit groggy as you start your workday today? Hundreds of millions of Americans will be a bit less productive this morning, require a bit more coffee, and be a little more grumpy than usual. Just like we were last year at this time, and likely will be again next year unless we change... Continue Reading →
After more than twenty years in the lighting profession it is tempting to think I know it all. The truth, of course, is that I possess but a tiny fraction of the collected knowledge of light- and our body of understanding is growing much faster than I can learn. Let me give you an example.... Continue Reading →
Whoops. I just spent a lot of time re-designing the "light and health" section of our design presentations to include updated sections on the latest research, examination of snake-oil-sounding miracle products, and in-depth explanations of our six strategies for incorporating the science into our design work. I was very proud of the finished product. "Pride... Continue Reading →
the language of light 