Essential oil diffusers spread fragrance throughout your home without a candle's open flame. Our top picks are powerful and ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Essential oils diffusers are known to be, well, meh. When you want to add a pleasant scent to your home, ...

Researchers developed a nanostructured light diffuser that provides balanced lighting by diffracting blue and red light, and can be cleaned by simple rinsing with water. The diffuser consists of cheap ...