15 Optical Illusions You HAVE to Try

What we 'see' is purely a result of our brains interpreting the information being received, and often isn't a true reflection of reality. We simply can't process all incoming data in real-time, so our minds take shortcuts and fill in the blanks… which, in certain situations, can result in us seeing things that simply aren't there. Get ready to enter a world where you'll start questioning your own reality, as we take a look at 15 optical illusions you have to try!
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[@kiwilerner]

In the "Which way is it spinning" illusion, it's even more complex than explained by the narrator. While seeing it turn horizontally, one might see it spinning to the right or left--or swap between both, if you're capable. And when seeing it as vertical, it's possible to see it turn towards you or away from you. What a marvelously constructed illusion!

[@zaizoesclashing7103]

5:20 i am able to focus enough to see it both ways. But at first i saw it going horizontally. But it takes alot of focus to flip it lol😂

[@daveking3494]

Exactly the same thing happens with our hearing as well. In music, if you just hear a C major chord, you assume it’s a piece in C Major. but depending on the context of the music following it, the piece might actually be in G Major, or F major. This is common knowledge, among musicians and composers. It has been used for hundreds of years to fool the listener, which makes the music more interesting! You could do a whole program on how our ears fool us as well.

[@B30pt87]

I would love to watch/hear a video on audio illusions!

[@notmyworld44]

That's precisely like when Beethoven started his C-major Symphony #1 with an F-7 chord. Interesting observation here.

[@user-ie1tz5rm8x]

You tied up my brains ,an left em in A knot!....sing that in the key of "w"

[@Qkano]

@@B30pt87 Start with Shepard tones ... They are seriously creepy ... kzbin.info/www/bejne/pILShpJoetF5Z5Y

[@vickieprentice5762]

I was able to see "most"of these illusions despite I only see out of one eye! Amazing 😍🤩

[@danceswithmules]

Makes perfect sense. These illusions are mostly about our brain's image processing and not about binocular vision. I personally loved the eye-bender illusion. I had a text document I was working on open in the background and could see the word swimming effect in it, too.

[@mleise8292]

@@danceswithmules I was looking down at my keyboard and all the keys changed size like I was in friggin' Wonderland. Get me out of here!

[@electroborg]

I dunno if it happens to all people but if I play a first person shooter game with a 3d world and I close one eye, the image becomes 3d, it's like having 3d glasses because the brain reconstructs the missing information from the second eye by being tricked by the graphics. It's awesome.

[@TheMangoMussolini]

hehehe The Girl in the Field got me....I don't think I ever would have seen that.

[@ctakitimu]

I love the way our brain constantly edits the world before presenting our consciousness with a picture of what we see. I saw a cool effect watching a guy slowly dribble a basketball while walking away. The ball hit the pavement at the same time as I heard the sound but only up until a certain distance when suddenly the 2 events were separate, sound and visual event. It wasn't gradual, it was sudden. Like my brain said "Yep, I can't match these two things up anymore to what you expect to experience". It's weird that it's sudden and not gradual. How much other stuff is my brain editing?

[@B30pt87]

All of it, actually.

[@ctakitimu]

@@B30pt87 Well yeah, considering we're just brains in a pitch black container making our best guesses about our environment

[@martyndawson7484]

Veritasium video about how sound on video or actual events has a limited time difference to appear synchronised.

[@B30pt87]

@@ctakitimu Indeed!

[@uptheBluessw6]

Sometimes I wonder why we keep morphing and everything around us stays the same ?

[@robertmcdonnold3038]

Definitely one of your best videos.

[@sandrainthesky1011]

That last one is WILD! Try looking at the pattern then look into your room, everything moves in waves, so freaky!!!

[@Simonskistunts]

did exactly that and instantly decided to not trust my brain anymore

[@terryopsahl1677]

When I blink the bag of popcorn vanishes for a split second.

[@andymcneil7085]

Even more interesting too me as I have only one eye and I’m colourblind.

[@vickieprentice5762]

Hey Andy , I too am blind in one eye(lazy eye). But I am NOT color blind. These illusions were amazing. I was able to see most of them.

[@notmyworld44]

Excellent video with superb narration!

[@SunsetStarship]

That last one gave me flashbacks to the 90's. Good times. :)

[@macforme]

Who do I complain to that my eyes are now crossed after this video???!!!

[@ludicrous7044]

Complaints are universally ignored! 😋

[@macforme]

​@@ludicrous7044 I think they might even count that as a win. 😂

[@electroborg]

That happens because of the 147 porn videos you watched before this one.

[@joanfoxwright4221]

You've blown my mind. I never saw the popcorn bag until you told me. Yikes!

[@ludicrous7044]

Your mind didn't LET you see it until you changed the program!🤓

[@notmyworld44]

I was especially entertained by that one!!!

[@origamiswami2275]

I liked that peanut brittle staff illusion.

[@godfoundmehere4180]

I did that last one and it turns green then I looked away at the wall and the wall was waving and moving that’s insane

[@kennethcrandall8131]

loved it!

[@chillindave1357]

Very cool!

[@nicolasrose3064]

Dog's can see fast moving objects with a much faster response time because their brain's "communication delay" is much shorter than ours.

[@RaySmith1662]

Excellent Video! 😮😅😊

[@brantnuttall]

Monker Circle. honestly I just saw it rotating clockwise then anti clockwise

[@grammybear4226]

🐼 Big Bear Hugs from a 68 yr old grandma in Kirby, Texas, USA 🐼 ❤️ 🎀 ❤️ 🎀 ❤️

[@amezcarl]

I have to say that this is a great way to get sleepy within minutes... Wasn´t trying to get sleepy but I was so concentrated on the images that I got suddenly tired LOL. Rather interesting video though. Gonna come here from time to time I guess...

[@notmyworld44]

Another very strange optical illusion: You are riding in the "bed" of a pickup truck. You are facing backwards so the passing scenery is receeding quickly away from you. You arrive at your destination and the truck stops. Now for several minutes everything in your field of vision looks as if it is rushing toward you. This is truly bizarre, and I have experienced it!

[@christinaruffino9944]

The eye bender worked on my flowers in my yard. 😄

[@ludicrous7044]

Magicians use these tricks and call it magic!

[@shadicrenegade562]

Crow. Bet on that raven, penguin, or rabbit part. I call raven a crow, but Crows are so cute. Lmao, I love them so much.

[@tj_2701]

Right, I've seen this in other videos and they actually play the whole clip and show it's a rabbit

[@wayneyadams]

5:32 It is really cool they way it spontaneously changes rotation from horizontal to vertical and back again. It's almost magical.

[@philippegilson]

Hello ! N° 15 is amazing. N° 14. I see black and blue lines but no circle. N° 13. I can see the perspective trickery. N° 12 "dulaxis". I don't see any difference in the spinning because there is no spinning. N° 11. I don't see the circles changing colours. they are all "egg" coloured. N° 10. The vapour has no colour. N° 9. The illusion is amazing. N° 8. I immediately noticed the texture difference between the background and the popcorn bag. N° 7. Indeed, the illusion is there. N° 6. You could think it's a rabbit. But it's a raven. N° 5. I use this technic in wood working. N° 4. The orange discs are the same. N° 3. I don't use computers for that. It's too easy. N° 2. I don't see any colour change. N° 1. After concentrating in the middle circle, I don't see colours. And after that I don't see anything moving. I don't smoke any weed. Phil. Peace.

[@chrismayer3919]

The Schroeder staircase is my fave 😵‍💫

[@wilhelmschroeder7345]

Now I'm blind. Thanks, pal.

[@Undulator369]

That's amazing.

[@dubdgaming3272]

5:20 for me it’s just going left then right then left then right

[@thierrypauwels]

This last illusion is well-known by people travelling by train. If you are looking continuously outside (what I often do), when the train stops, you get the impression that it is going backwards.

[@patriot9455]

I wonder if railroad locomotive enginees and brakemen would see these differently, after years on the train

[@user-tl9ic6yr9i]

Fantastic fantastic

[@lynnwood7205]

Once in 1967 from the shoreline bluffs north of Duluth overlooking Lake Superior, the sky overcast and gray matching the color of the lake, I observed an ocean going freighter halfway in the sky. The atmosphere was moisture saturated, this moment being just a brief interlude during days of constant rain I thought at the time the illusion was because there was no delineation of horizon between the color of the sky and color of the lake water. the lake water at that moment being of the same texture as that of the sky. Perhaps a Fata Morgana?

[@airfunmachinery8655]

We receive all kinds of information from the outside world, and the brain processes the information received, driving the neural impulses that internalize our own cognition. On the other hand, we have built a more powerful processing system internally, which can also generate some impulses spontaneously. Dreaming, for example, is an interpretation of internal information.

[@Bracgypsy]

Staring at the center letters from @18:45 to the ending scene of the video is even more impressive. 😵🥴

[@patrickmcgrath5411]

I CAN'T SEE ANYMORE..."BUT THAT WAS FUN"🤗

[@gloria88246]

🤣🤣🤣🤣right lol

[@computerjantje]

very nice video. thank you

[@mitsos76]

How about stereograms?

[@HobbyOrganist]

Amazing thing is, even after we KNOW what the illusion or trick IS, we still can't seem to block that out!

[@carrollkneece9098]

Wow great video

[@tedwalford7615]

That second checkerboard really does have curved lines, as checked with a straight-edge, while the lines on the first-shown checkerboard did test straight.

[@ratzasse]

I can almost certainly attest to the communication delay in my brain. Yup.

[@oliviarinaldi5963]

That was bloody well brilliant!!! Lol, on the last one when you were talking about vision returning to normal quickly and the view was a featured video, the entire picture was moving for me. Gotta love it.

[@someone_stole_my_burnt_toast]

Every time I saw this video I decided to scroll and it’s changing color from black to white this video is cool

[@alexanderscott3647]

on the last test 18:33, if you pause the video you'll see completely irrelevant text in bright white background "balance, trust adversity, friends, next play" and so on scrolling in the back ground. No obvious connection to that visual test. i figure a tiny bit of visual deceit here just to help get the authors point across here.

[@sangeovr]

Will try

[@williamstier6445]

the letters in the trippy illusion at the end spell out the statement "we don't live in a world of reality, but in a world of perception".

[@MysteriousBenedictBrain]

Yes! Glad someone pointed it out since the narrator behaved as if the letters were irrelevant.

[@williamstier6445]

@@MysteriousBenedictBrain I mean yeah it is true that you don't need to notice the message to enjoy the visual hack. However (in my opinion at least) you would appreciate it that much more if you did.

[@JohnTovar-ks8dp]

Nice!

[@Merlijnvv]

The checker board squares within squares create diagonals in a chevron pattern, and the chevrons are all pointing toward the center. This gives the illusion of a central summit. At 18:30 the same effect you see when staring at a floater for some time when fishing. The small waves have continuous motion. Then when you look at the grass in front of your feet it will seem like the ground has become a swirly mass.

[@judythompson8227]

i don't have sight in one eye and I wonder if that's the reason I can't see some of the illusions...

[@williamwalker8107]

That was cool.

[@YouTubeallowedmynametobestolen]

What's the difference between a Schroder Staircase and Penrose Steps? Is it just multiple Schroder Staircases are combined to make a loop to create Penrose Steps?

[@alantaylor353]

Now I have a headache.! 😉

[@topherthe11th23]

16:38 - It should be possible to build the "impossible waterfall" so that in a real life viewing (but only to a viewer who is looking through a specially-positioned ring) the water flows exactly as shown in the fa'ked video UP TO the point at which it reaches the "top". At that point the water would have to go into some secret place. But you could build this thing (and I'm sure someone has) so that the "top" is lower down than the "bottom" but you don't see it that way because the top is much further away, but built in a distorted way so that while being a larger gauge of trough seen at a greater distance it actually looks like the same size trough but nearer.

[@Alwaysbmoving]

Isn’t there a way to Mix the staircase and the waterfall to create visual magic?

[@wayneyadams]

14:40 When comparing two objects or items the correct words are bigger and smaller. Biggest and smallest are only used when there are three or more objects or items.

[@firstman9273]

If you do the last one with one eye closed, when you then close the open eye and open the closed eye, i..e. switch them over, the wavy vision is only in the eye that was looking at the patterns, the other eye is rock solid.

[@B30pt87]

I love the blue @2:44.

[@jedgould5531]

4:59 dual axis

[@pookatim]

In the final illusion, why do you have faint white text moving across the image of black text from right to left? I checked and it is there whether you look at the illusion or not. In fact you can pause the image and see the white text.

[@mitchkatz4918]

a--Medeterranean seat, but b -looks like Caribbean sea with Florida, Cuba, Yucatan peninsula --17:32- am I missing the illusion?

[@oddities-whatnot]

Superb channel this

[@yvindwestersund9720]

I've looked at the whole video and all of them was doing exactly as you said Except for the last one THE EYE BENDER I've watched it now 4 time's and I can still not get it to work The lines of words is still not moving Why isn't it moving 😫😩 Is there something wrong with my eyes or is there anything else going on Just wondering 😔🤔 Just saying 🇧🇻

[@randydewees7338]

Watching a waterfall will produce the effect of #15

[@stevenpellegrino997]

Most of these works when I was tired and fell asleep. Bt after watching it again. Right as I woke up. Most of them didn't work. I eyes and mind didn't mix or confused colors. This didn't move like they had when I was tired. Maybe because my brain has not fully awaken???

[@arubaguy2733]

The "dual axis" was strange enough when I could see it turning horizontally changing directions sort of randomly. Later when it was revealed that it can appear to spin vertically also...things got doubly strange. I believe the brain functions of higher life-forms will never be duplicated by microchips. The complexity of the biological brain still far exceeds even the most powerful supercomputers. Computers will always be much faster at their tasks, though.

[@Nitephall]

I didn't see any water flowing at all. He should have dyed it.

[@darkhorse452]

I see both without the color i see it spinning both ways

[@costrio]

Morgana effect is also known as a mirage, I believe.

[@newtoncooper4085]

2:09 I swear there was a blue mist, until you zoom in, bad brain.

[@lindamills6192]

I started with a mild headache......not mild anymore😊

[@heyletsplaythis]

What does it mean if you see the true image in everyone of these? 🧐🤷🏻‍♂️

[@leviticus8362]

my brain be like: AHHHHHHHHHHHHHHH CONFUSING, IMPOSSIBLE, CRAZY, OVERLOAD!!!!

[@leviticus8362]

all but the water fall is not editing, i checked

[@jamieandteddy2010]

That girl standing in a field is my friend.

[@ctakitimu]

Tell her to give back the popcorn she stole from me

[@joehughes5177]

On the eye bender, you didnt mention the white text behind can you read this 18:31

[@ashleyr6809]

Need to have an epilepsy warning for the last one. Some people have epilepsy.

[@ctakitimu]

Nah, remove all warning labels from everything. Removes the weak and dumb from the gene pool.

[@keithhinke3277]

Only one ring seemed to move when I moved back and forth, just inside the outer ring.

[@louisfrancisco2171]

16:23 If it's video editing, it's not an optical illusion.

[@Down_is_now_up]

This video can be sent to flat earthers when they say "trust your senses, it looks flat, doesn't it"?

[@Fred-mp1vf]

5:58 Correction: There are only 3 colored lines. On my screen they're blue, green & red.

[@pamelamujera4631]

its super illussionally

[@yttrv8430]

I can actually unsee it. Look back at the background.

[@eleaftha2008]

Same

[@SMMore-bf4yi]

Maybe why the neural pathways of a child connect to brain material at a much closer distance than the developing adult brain material & connecting pathways becoming more “spaced “out with age, like with micro to macro, two worlds are one world….spaced out, motion, perception, as in height, distance etc, illusion & much more, tricky…. Different to an actual image… Artist Escher illusionary artwork

[@dank-dave]

I think my brain is broken as it doesn’t fall for these illusions and understands what’s going on immediately

[@dank-dave]

Great video though!

[@summerbrooks9922]

Me too. Don't know why.

[@SMMore-bf4yi]

The last one, after watching rotation then words, the words remained still

[@hazelboyyt]

19:00, you forgot to tell that your hands seem to be moving when you stare at the letters.

[@Brightsupernova]

There is a meme circulating of a cat on the stairs, and it’s unclear if it’s going up or down. So, is it a Schrödinger’s cat on the Shroeder’s stairs?

[@psycronizer]

The brain takes shortcuts, gets confused etc. as all these illusions clearly show, these kinds of short falls will be some of the things that cybertechnology will attempt to modify, either with added high tech hardware via some wideband data interface directly into the brain or perhaps by genetic engineering later on.

[@ctakitimu]

To be fair, it has a LOT of data to process so crunching it to what we expect to see makes sense

[@GeorgeSmiley77]

Came to see illusions, got sidetracked by stock footage that had nothing to do with illusions.

[@909955847736]

6:47 That's the first time I've ever heard of a mirage referred to by that name.

[@SMMore-bf4yi]

Spose is why thing mutate, the high road or the low road

[@torydz]

The thing that amazes me is that if we can't properly perceive these illusions, how did people invent them in the first place? Eeeek! Also, we are meant to believe we are watching You Tube. But look closely... we are really watching Tube Youb.

[@tj_2701]

17:25 that is North America not The Mediterranean lol

[@davidlongoria5055]

nah its the med, you can see italy, greece, turkey, the black sea, and northern africa

[@elizabethCorkins83]

17:37

[@DeGodOfTime]

The thumbnail! It looks red when you scroll, or is that just me?

[@fortyfour6626]

Fun! But narrator needs to clear his throat lol!

[@dubdgaming3272]

10:11 I can’t unsee it now

[@sethkaicer319]

Chris Kane instructed Guns and Roses on how to use your illusion.

[@ctakitimu]

He did it a second time too

[@chinthapantiveeraiahmts1298]

Diszains is very well.