"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you've ever assumed that all light bulbs are the same, think again. There's a broad spectrum of light ...

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 ...

Everyone’s trying to build a better light bulb. These days, that means things like adjustable colors and smart home connectivity — for most companies. Bay Area startup Soraa is skipping all the noise ...