Presenter: John Moody
Format: MP4 Video file download
Includes: Audio & Slides
From dusk until dawn?and now long after?light helps define how we relate to the world around us. But light is more than just a means by which we see?it is a medicine to our bodies, a means to assist us in our work, and a master to be respected. This session will cover light?s affects on our health, how technologies can help or harm us via their light, and how to use light as safely as possible in the modern world.