Name: あのドレスの科学 (The Science of That Dress)
Uploaded: 2021-01-14T05:25:16.000Z
Duration: 5 min 3 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

We here at SciShow love us when you ask us questions, so we'll have things to talk about,

and we get lots of great ideas that way. But then sometimes, something weird happens on

転換語

the internet, and our twitter feed becomes completely unmanageable because the WHOLE

To me, it is 100% without a doubt clearly and absolutely white and gold.

And according to this Buzzfeed poll that over two million people have taken, I am in the

I’m Hank Green, and this is a very weird special edition of Scishow News.

The dress is actually blue and black, and a lot of people see it that way as well.

The difference between these groups of people probably isn’t about rods and cones and

how sensitive your eyes are, or whether you’ve spent too much time staring at the sun, as

some people have suggested. It’s more likely simply a matter of your brain’s interpretation

The picture has just awful white balance, messing up the colors of the dress. White

balance is just the process that photographers -- or … people who make videos for a living

-- use to remove the influence of lighting on colors being captured, fixing it so that

things that appear white in person also appear white in the image. Using that “true white”

as the baseline, all of the other colors should also fall into place, so that they look natural,

If you just pull the colors out of the picture and blow them up, it's neither white and gold

or blue and black; it's kinda muddy, dingy purple and orange.

So the amazing things is that no one...NO ONE! sees the dress as the color it’s actually

Our brains are super good at interpreting images and making sense of them even when

they aren’t accurately represented. We can look at a browned, faded old photograph from

the 70s and understand what the colors beneath all of that degradation are. Sometimes we

enjoy doing that so much we use instagram filters that actually intentionally mess up

Here’s the weird thing...colors are never really themselves. Depending on the light

source, white can actually look to our eyes like blue or orange or gray -- pure white

Lighting, whether it’s the sun or halogen, incandescent, or fluorescent lights, change

the colors of the things they illuminate. Our brains are great at perceiving the original

colors underneath rather than the color that the eyes are actually seeing. If we couldn’t

do this, the world would be hugely confusing to us. We'd think things were changing color

all the time instead of just the light changing color.

Cameras have to figure out what “white” is based on something in the image and then

interpreting the rest of the image based on what it decided “white” was. Here in the

studio, we use this little card so that we can make sure we’re balancing correctly

and my skin doesn’t look all green and gross.

In the case of this miraculous photo of a dress, the camera did a terrible job of finding

the white balance. So terrible that it’s actually hit a weird threshold between how

different people understand the image. Some brains see the “white” in the image as

the light color, making the darker color gold; other brains see the image as washed out,

with no white at all, so the dress is blue and black.

Now the dress can’t be seen both ways simultaneously, so whichever way your brain is more comfortable

seeing it becomes the super obvious and objectively true way to perceive it.

And this is what it really comes down to: perception. Our brains make trillions of little

subconscious decisions like this every day, but usually all humans make pretty much the

same ones. This image is just really great at being in between two different potential

Why some people see it one way and not the other, could be a function of any number of

things, objectively, like, I'm not comfortable with any of the proposed hypotheses because

none of them have had any science done on them because we've known about this for like

But what's driving all the chatter online, is that people have chosen up sides. Some

people are on team gold/white and others are on team black/blue. They answer polls, and

they argue with each other in the comments and like, "STOP SEEING WHAT I DON'T SEE!"

That’s because the whole thing is really an exercise in the study of perception, and

psychologists will tell you that perception is largely about bias.

And your biases can be framed by things like expectation -- if you first saw the picture

on some facebook share, with your friend saying "How can people not see that this dress is

white and gold?!" then your expectations were already set, and you are more apt to see it

And of course, we cherish our biases. So once you've seen the dress as black and blue, it

gets increasingly hard with time to UN-see it that way -- especially the more people

So the deeper truth is the one that we’re least comfortable accepting: perception of

reality is not the same thing as reality. Our brains are good at interpreting the world

around us, but they are certainly not perfect. And we should be more comfortable with the

idea that different people perceive things differently. And once that perception happens,

it’s as real to them as our’s is to us.

Thanks for watching this very weird episode of SciShow News. If you want to keep getting

smarter with us, you can go to YouTube.com/scishow and subscribe.

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あのドレスの科学 (The Science of That Dress)

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