00:00Look at this image.
00:01There are actually 12 black dots here.
00:04Yes, they're all actually there, but your brain keeps deleting them from your peripheral
00:08vision when you're moving from dot to dot.
00:12This combined with a blind spot relatively close to the middle of your field of view
00:16– slightly off to one side where the optic nerve enters your eye – makes you miss the
00:21dots.
00:22If you look at this illusion with just one eye, you might even see fewer dots at once.
00:30This black hole seems to be expanding toward you, doesn't it?
00:33But in reality, this image isn't moving at all – it's just your brain firing back
00:38what it thinks is happening in the picture and trying to predict what you'll see.
00:43Most people who look at this illusion see the shape growing in size.
00:47What about you?
00:49Comment below!
00:52The next optical illusion, a hypnotic circle, is more of a geometric trick.
00:57The white circles seem to be forming a circular shape rolling around the inside of the circumference
01:02of the larger red circle.
01:04But since it's an optical illusion, you've probably already figured out that it's not
01:09actually the case.
01:10The white circles are all moving in straight lines, but due to the timing, their movement
01:15creates the illusion that they're moving in a circle.
01:22We can probably say that this is a two-in-one optical illusion, with two mind-bogglers hidden
01:27in it.
01:29Depending on where you look, the dots can either seem to be changing color or vanish
01:33altogether.
01:34All you need to do is follow the light gray spot around or stare at the cross in the center
01:39for half a minute, and you'll experience the multiple illusions of this design.
02:10This number-themed optical illusion left the internet completely baffled by asking
02:17how many numbers users could see.
02:20Indeed, at first glance, there seems to be just three numbers.
02:24But the harder you stare and the closer you get to the screen, the more numbers start
02:28to appear.
02:29In total, there are seven numbers in this image.
02:33Write in the comments what numbers those are!
02:39The rotating horse optical illusion makes everyone confused.
02:43The question is, which way is the horse turning?
02:46Even though lots of internet users have theorized about the correct answer, no one still has
02:51any idea which is the right one.
02:55Oh, this next one is the top-tier player in the world of optical illusions.
03:01You're probably familiar with Van Gogh's Starry Night, but with the help of a little
03:05trick you can bring the painting to life.
03:08First, stare at this rotating image above for a while.
03:28Now move your eyes to the painting below.
03:30Voila!
03:31The famous picture comes to life in a flurry of swirls and movement.
03:35It's an awesome example of how our brains can twist an image based on how our eyes adjust
03:41to what they see.
03:45Look at this moving circle for a while.
03:47It seems to change its color while traveling from left to right against a gradient background.
03:51Well, in reality, it doesn't.
03:55The circle always has the same shade.
03:57All that changes is the color of the background you see the circle against.
04:01The illusion works because your brain perceives colors differently depending on what surrounds
04:05them.
04:06Wow!
04:07I do love an optical illusion with a scientific explanation!
04:13Here's another example of an optical illusion we can't get enough of.
04:18The one where objects seem to be moving when they're actually completely still.
04:22Like this spinning vortex optical illusion.
04:26You can also call such illusions physiological optical illusions since they're caused by
04:31the overstimulation of your brain's senses after your eyes see too much color, movement,
04:37light, or dimensions.
04:40All this overabundance of information prevents the brain from processing the image correctly.
04:46This picture with its purple and yellow vortex-like design is kinda hypnotic, but I promise it's
04:52not a gif or a video.
04:54It's a totally still image.
04:56The combination of different patterns, levels, and colors trick your mind into believing
05:00the image is moving when your eyes are wandering over the design.
05:05If you concentrate on the very center of the image, you'll make all the movement stop.
05:13This next moving optical illusion has a similar effect.
05:16The design uses the anomalous motion phenomenon.
05:20That's when part of a figure appears to move in a direction different from the rest to
05:24make it all look as if the image is moving, while in reality it's a completely static
05:29picture.
05:30Your brain tricks your brain into thinking that the image is moving because of how the
05:34image hits your retinas at a particular location.
05:39How about playing some hide-and-seek?
05:42Look at this eye-crossing striped image.
05:44It springs to life when you shake your head vigorously from side to side.
05:48Ahem, should I remind you to do it carefully?
05:51When you start doing it, an image will begin to appear amongst the lines.
05:55So what kind of furry creature have you spotted?
05:58Share in the comments!
06:03This spinning discs optical illusion is not a gif either.
06:06It's a still image, even though the wheels appear to be definitely turning in front of
06:11your eyes.
06:12This optical illusion works because of how your eyes process an image.
06:16They scan it repeatedly, while autofocusing and adjusting.
06:20There's a way to make the movement stop though, just try to focus on one single wheel.
06:27Look at this twisted cord illusion.
06:29Do you see a spiral or a series of rings?
06:32For the first time, this optical illusion was described in 1908.
06:37It's called a false spiral, since no matter what it looks like, in reality, it's a set
06:42of concentric striped rings.
06:47The next illusion has a fancy name.
06:50The Ebbinghaus illusion.
06:52Without giving yourself much time to think, answer which red dot is larger, left or right?
06:57I bet you think that the circle on the right is larger.
07:00All because this illusion is based on relative size perception.
07:05Your brain makes a comparison of relative size based on the dots surrounding the circles.
07:10But in fact, the red circles in the center are the same size.
07:17One of the names this illusion has sounds like the café wall illusion.
07:21What do you notice about those rows upon rows of dark and light squares?
07:26Most likely they seem to be sloping or even curved, but this is just a geometrical illusion.
07:31The lines dividing the rows are parallel and straight.
07:37What can you say about the relative lengths of these two red lines?
07:41For one thing, the arrow heads and arrow tails are likely to affect your perception of the
07:46lines' lengths.
07:47But that's not all.
07:48In this image, the lines are extended to create a three-dimensional drawing of walls.
07:54In this structure, the red line in the far corner seems to be full wall height, and the
07:59closer red line seems to take up just part of the wall.
08:03But if you manage to see beyond these tricks, you'll realize that both red lines are actually
08:08the same length.
08:11Stare at the patterned circle in the center of this image and move your head a bit.
08:16You're likely to experience a weird feeling that the central circle moves separately from
08:20the rest of the picture.
08:22Because of the monocolored ring around the circle, your brain can't help but fall for
08:26an illusion of motion.
08:30These two eagles seem to be of different colors, right?
08:34Not really.
08:35What you observe is the Bezel effect.
08:37A color may appear different depending on its relation to adjacent colors.
08:42In other words, these bird silhouettes are the same shade of red.
08:46But after they get intersected with either yellow or blue bars, your eyes perceive their
08:50colors in a different way.
08:55What you see now is the color-context illusion.
08:58So tell me, what color are the bobcat's eyes?
09:01The left is light teal and the right seems to be gray, right?
09:05It proves the point that the color surrounding an object can affect how our brain perceives
09:09the color of the object.
09:11In reality, both cat's eyes are exactly the same color of gray.
09:15But the red color around the left eye makes us perceive the eye as teal.
09:21That's it for today!
09:24So hey, if you pacified your curiosity, then give the video a like and share it with your
09:29friends!
09:30Or if you want more, just click on these videos and stay on the Bright Side!
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