All of the best smart lights use LEDs, which means they're low energy: they deliver lots of light but they don't need lots of energy to do it and they don't run particularly hot either.

The majority of lighted makeup mirrors today — including all of the mirrors on this list — use LED bulbs ... emitting a calmer, softer light that’s ideal for natural daily makeup.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

A paradox at the heart of quantum physics has been tested in an extraordinary fashion, pushing the boundaries of human intuition beyond breaking point by measuring a pulse of light in 37 dimensions.