How do two colors mix to make a new color? Answer: Think of light as a wave travelling from one place to another, with different colors produced by variation in the distance between peaks of the wave ...

E-reader manufacturer iRex have announced [pdf link] that they intend to have a color, writable ebook reader on the market by 2011. The device, which is currently unnamed, will use a system of ...

Chances are, you take color for granted. Whether or not you give it much thought, color is key to distinguishing your surroundings. It helps you identify fire, brown recluse spiders, and the right ...

Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...

Have you noticed that there's always something new to learn? Furthermore, it's only when you are trying to explain something to someone else that you realize where there are holes in your own ...