Jay Holben During one of my recent lectures, there was a great deal of confusion about how to adjust light intensity and when does light quality and/or color change when altering the intensity.

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...

Richard Metcalfe receives funding from The Diabetes Research and Wellness Foundation. Most people probably don’t think of everyday activities – such as hanging out the washing or putting away the ...