Science explains that our eyes have more difficulty seeing blue light than warmer colors, and that low light situations can make us see things in different shades. Xkcd
weighed in on the science side, with the comic below illustrating how the "different" colors people are seeing could be the result of a white-balance optical illusion.
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<small>
(Xkcd)</small> </center> Essentially, this is when our eyes are tricked by the context of what we're looking at — a similar thing is happening in the famous '
checker shadow illusion.' And if you don't believe the colors on the two dresses above are the same, try opening up the comic in an image editor of your choice and use the color picker. They. Are. Identical.
However, what physics doesn't explain is why on Earth the internet has reacted in such an overwhelming way to the color of a dress. Perhaps it's to do with truth itself — if our eyes tell us something is blue when more than half of humanity sees it as white, how can we trust our understanding of existence? Or maybe, just maybe, The Dress is super-haunted or something.