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The brain always faces the problem of figuring out how much of the light arriving at the eye from an object is due to how brightly illuminated the object is and how much is due to how highly reflective the object is, says David Williams, Allyn Professor of Medical Optics and director of the Center for Visual Science

This black option, with a v-neckline and cute bow details, would lend itself nicely to a cafe or bistro setting

Jenny Yoo Carmen Dress A champagne bridesmaid dress that offers both style and comfort

Having said that, the etiquette has changed over the past few years as event dressing has evolved, with more guests deciding to wear a black dress or suit