Question: How could I measure the light intensity of different light sources? Answer: Take a red, green, blue LED. Determination of the light intensity can be crucial, for example, if you want to ...

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 ...

I wasn't sure the price was correct. Normally when I walk through Lowes, I check the price of LED bulbs. It seems they have always been between 11 and 15 dollars for the kind that would screw into a ...

Ocean Optics reports on how spectroscopy revolutionizes research by utilizing light to analyze materials, improving accuracy ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. The 2018 Nobel Prize in Physics was announced this morning "for ...

Exposure to a specific, narrow band of green light may help reduce the intensity of migraine attacks for some individuals, possibly because it generates the smallest electrical signals in the brain ...