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 ...

Each type of light source has its own spectral distribution that show the proportions between individual wavelengths. Using spectral distributions, qualitative aspects of light such as color and color ...

Physical inactivity and sedentary behavior are growing worldwide among children and can negatively impact both their physical ...