Celebrity manicurists explain the difference between various devices, and share their top tips for choosing a reliable one ...

LED array type You’ve probably heard of RGB as an acronym for red, green, and blue — the three primary colors of light that can be mixed in varying levels to represent any other color of the ...

Rachel Cericola/NYT Wirecutter Strip lights shouldn’t be confused with rope lights, which encase LED bulbs in a flexible, moldable plastic tube. Strip lights are generally brighter and easier to ...