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 ...

The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...

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 ...

Q. Light bulbs in my home are burning out more quickly than ever. After a few days a new bulb will not work. Are new light bulbs not high quality any longer? When I go to buy new bulbs, it's very ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. If you, like most of the world at this weird moment in ...