Build a Zoetrope - Sick Science

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Steve Spangler is a bestselling author, STEM educator and Emmy award-winning television personality with more than 2,100 television appearances to his credit. Steve appeared as a regular guest on the Ellen DeGeneres Show from 2007-2022. Learn more about Steve at stevespangler.com/about-steve...
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[@lunamalfilatre]

As the cylinder spins, you look through the cutouts at the pictures on the other side. This creates the effect of each frame being still for a split second, keeping the pictures from simply blurring together, and you see a rapid succession of images which produces the illusion of motion! Woo

[@sickscience]

Good catch! Thanks for letting us know.

[@M1YAK2]

The speed the zoetrope is spinning.

[@AnupumPant]

Persistence of vision makes it seem animated. It is a phenomena which makes the human eye retain the last seen image for 1/10th of a second. And during the time it is seeing the old image the new image in that place. You are unable to notice the gaps in between.

[@SBS8219K]

I'm going to try this out!

[@funsizedsinging]

Nice! Awesome science project!

[@MooshieGaming]

Omg hi Steve!!! I love the videos!

[@craftastic11]

Thats sooooooooooooooo cool!

[@comedyman9]

I think I might do this one... Thanks for the idea dude!

[@jesusfreak34988]

it is just like a movie the changing of the images is so fast that the images appear to move

[@youngatheart212]

It is just a good habit to be in even when it is not necessary.

[@highonpizzapizza6812]

Subscribed!!!!

[@k2s3p]

Persistence of Vision... If images appear less than 1/10th of a second part, our brain sees them as continuous video stream. Science!!!

[@killa8shot77]

i love you steve i cant belevie i have seen you in person

[@Lucs100]

1:05: PIECE is spelled PEICE.

[@AdamHH11]

No, it's piece.

[@funsizedsinging]

Nice!

[@gamerman6405]

you are awesome I love your videos. when is your next episode for the spangler effect coming out?

[@irtizahasan2976]

Cool!

[@elvir182]

1:10 piece *

[@lavenderskull]

The Pictres from big to small causes an effcect to make the images move and look like it is the animation teasing your eyes.

[@BrianKouhi]

Mine sucked.. what magical spell did you use!?

[@colorofmus1s]

Magic

[@jaredmartinez4440]

Thats cool

[@feefifofum1996]

at 1:04 it's piece, not peice :) awesome tutorial by the way

[@cuffsthevillain]

Higginsworth!

[@ROCKMAN3704]

u are awesome

[@97nixu]

Nice

[@natalieburgos2996]

i think ive got an obession over sick science can't... stop.... watching

[@anqi100]

Your brain can't process images that fast therefor making it look animated.

[@MooshieGaming]

Maybe while you spin you could put plastic wrap over it!

Ow Imagine that... I have a picture of real life Happy Tree friends in my head now 0.o

[@kikook222]

You forgot to mention the biggest part. It's because of how our brain perceives motion that we are able to create these illusions.

[@CookingWithCows]

Coconut flour? From all the tin cans you could have found you took the weirdest/rarest

[@Lucs100]

Also, our eyes see 24 FPS (frames per second), but the zoetrope is spinning fast enough to appear animated because it is spinning at a rate of OVER 24 FPS.

[@13371sheriff]

Wow, that would have been bad. Although then he could have worn an eyepatch and look like a pirate. Just sayin :P p.s. yeah, I know the pain caused by the cut to the cornea and other parts of the eye would have been excruciating, I was simply joking about the pirate stuff.

[@vistigioful]

Paroxinoscope?

[@Chromacution]

What should be step 9 (step not labelled) has a typo. =\

[@ufowilltakeyou]

there are a lot of these that dont require them

[@halasaeed531]

Wow

[@mgo0od101]

wow

[@devinshaver3241]

You misspelled piece (you wrote peice)... 1:05

[@mmm121mmm]

thanks for your profile picture now my screen is broken :)

[@sickscience]

Well, if you are as strong as the guy in the video you do. He spun it so fast the paper flew out of the zoetrope and would have gave him a paper cut in his eye if it wasn't for his safety glasses. All kidding aside, we just want people to practice safe science.

[@loroulaiouch565]

Cool

[@punnadhornnoradechanunt2249]

I think the cause to make the image come to life is maybe he spun it so fast and... P.S. I forgot what I was going to say, well actually going to write but doesn't matter anyway

[@TheDeepDiveLLC]

That's not funny Steve. That happened to me after I finished. Also when cutting the little slits in the cardboard...cup thing... Pieces may fly away pretty fast and hit you in the eye. Unfortunately I have experience.

[@Kp-dg2nc]

cool

[@Kibaoftheleaves]

The man in these videos has a handsome torso and arms. :P

[@MrBolachudo]

Origin of GIF

[@Flyingcar100]

do we really need to wear safety glasses for this one?

[@leilanidavis4901]

Because the images are like cartoons

[@saladfingers360]

Ahh yes... the good ole' House On Haunted Hill gimmick.

[@eldre456]

LOL

[@TheNightFights]

OooOOo we can show gifs :)

[@hottygirl581]

Glasses ??????

[@mastermouse00]

Oldschool gif pics

[@JerryFungNYC]

if you know the answer don't ask us!! Just kidding!!! it is because human being can see at the average of 30fps while this thing spin create animation in our brain by skipping some fragment or maybe the best answer is Im talking nonsense here again xD

[@Xcreator999]

*Science

[@hobomanjkiller]

:3

[@pabloborboa9603]

is this science?

[@veaseyj]

so what

[@mihaigavan2773]

you are really speaking english? please ans

[@eldre456]

are you serious?

[@funsizedsinging]

No it's not dummy lucs10000000000

[@pisiupo]

Magic