david k warfel
A few years ago I wrote a pulp piece for Houzz.com on how to choose the "right" color temperature of light. At the time there were just a few choices homeowners faced with lighting: choose 2700°K warm white, 3000°K not-quite-as-warm light, or perhaps 3500°K "neutral" white or 4000°K cool light. I recommended 2700°K for traditional... Continue Reading →
Satellite image from NASA via Blue Marble. Can you find your town? When it comes to light, it is hard to tell exactly how much we throw away. The International Dark Sky Association estimates that 35% of lighting energy is wasted making the sky glow. This is energy that has no discernible positive effect on... Continue Reading →
A key component of human sight is the flexible iris that opens and closes the pupil, constantly adjusting the amount of light that enters the eye. I am an unabashed lighting geek. I love learning about the science, technology, art, and technique of lighting design, I dig into light and health, and I always, always... Continue Reading →
the language of light 