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.

Light physical activity may improve mortality in people with cardiovascular-kidney-metabolic syndrome, especially people with ...

Light physical activity was associated with lower risk of death for adults in stages 2, 3 and 4 of cardiovascular-kidney-metabolic (CKM) syndrome, a health condition that includes heart disease, ...

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 ...

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 ...

Sleep is regulated by two mechanisms: the homeostatic process and the circadian clock. Light affects sleep and alertness by entraining the circadian clock, and acutely inducing sleep/alertness, in a ...

Have you ever woken up to bright morning skies feeling energized? A big reason for your mood is the high-intensity blue light coming from the sun. Among the visible light spectrum, blue wavelengths ...

Karl Linden advises various companies promoting the use of UV light for disinfection. He receives funding from federal agencies and industry to conduct research in his role as a professor at the ...