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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jay Holben During one of my recent lectures, there was a great deal of confusion about how to ...

For example, by adding or dropping a particular color, or wavelength, of light traveling in an optical fiber, scientists can control the amount of information carried by the fiber. By altering the ...