How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest photonic chips go a step further by splitting a single laser into a ...

Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Auroras occur when charged solar particles bash into Earth's magnetic field and funnel toward the poles. The types of atoms these particles hit determines the color of light emitted. When you purchase ...