Quick D: Static Helicopter Blades

  • Published on Aug 12, 2019
  • Captain Disillusion gets pedantic about the description of a common camera effect.
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    Video being discussed: flash-player.net/video/yr3ngmRuGUc/video.html
    Guest - Matt Parker: flash-player.net/user/standupmaths
  • EntertainmentEntertainment

Comments • 2 371

  • Hackermann
    Hackermann 33 minutes ago

    I kept reading cdisillusion as "CD is illusion"

  • Fazil Abdul Lathif

    Can you check this video? Not able to explain what’s going on. I believe it might be a fluid dynamics thing.
    Link 1 - flash-player.net/video/fRhPvlkcbZk/video.html
    Link 2 - flash-player.net/video/btq9YM0XpqY/video.html

  • James Holbrook
    James Holbrook 3 hours ago

    No that hello copter was a glitch in the matrix

  • Deipatrous
    Deipatrous 4 hours ago

    Hey the fan hitting your head still looks convincing at quarter speed. I thought I'd be able to see the trick.
    Oh wait, you actually got beaned by a fan for real?

  • Deipatrous
    Deipatrous 4 hours ago


  • Liliana J
    Liliana J 5 hours ago +8

    Step 1. Go to YT Search
    Step 2. Search this keyword: Mimi Kid Art
    Step 3. Enjoy!
    Quick D: Static Helicopter Blades
    You must determine where you are going in your life, because you cannot get there unless you move in that direction. Random wandering will not move you forward. It will instead disappoint and frustrate you and make you anxious and unhappy and hard to get along with (and then resentful, and then vengeful, and then worse).
    Family love is so big and immense, and sometimes we do not know what we have till we lose it. There is a proverb which says: when you haven t what you like, you should like what you have

  • Ivan Hernandez
    Ivan Hernandez 7 hours ago

    I believe it happened. And cause I happen to me with my car !

  • Spencer oximina
    Spencer oximina 7 hours ago

    Im new to this channel, and im very amaze, the edits and the efforts and explanation is awesome, and i cant believe you have only a million subscriber, your channel deserve more than that, btw new subscriber ❤

  • DryBonz1
    DryBonz1 9 hours ago

    First time on this channel. Did you have The Onion editors on payroll

  • Joe
    Joe 11 hours ago

    I'd love you to be on star talk with NDT, your physics knowledge would make for a great episode

  • horror478
    horror478 11 hours ago

    Why does this happen with a wheel and our own eyes??

  • The Walnut
    The Walnut 12 hours ago

    Why is this channel free

  • metallitech
    metallitech 17 hours ago

    This is proper bo I tell thee.

  • GDPlayr
    GDPlayr 18 hours ago

    What ever happened to the cicrit bracelet

  • Logan Hogan
    Logan Hogan 18 hours ago

    you're a great guy for shouting out to that dude.
    also your content is just the best

  • Ilham Azrael
    Ilham Azrael 19 hours ago

    Love with your heart, and use your head for everything else

  • stampy Jr gaming
    stampy Jr gaming 20 hours ago

    Hello compact disc

  • Evil D
    Evil D 22 hours ago +1

    Why do you sometimes see this kind of effect on car wheels if they're driving at just the right speed? What's the frame rate of my eyeballs?

    • Deipatrous
      Deipatrous 3 hours ago

      You mean... IRL??? Human perception ceases to distinguish individual images round about 12 per second, but it depends on attentiveness and complexity of the field of vision. Rods and Cones are continually being fired, so in that sense there is no rate limitation, but each of them takes a few hundred milliseconds to get back to a triggarable state.16 fps looks perfectly fluid under most circumstances. I don't understand people who discern a difference between 25 and 50 fps. They sound like the audiophiles of old, pretending to hear differences that are not apparent to the uninitiated.

    • Kingly00100
      Kingly00100 11 hours ago +1

      Found the synth!!

  • Billy Breakaho
    Billy Breakaho Day ago

    And this ladies and gentlemen is called "dragging it out". 2:48

  • IronicOyster _
    IronicOyster _ Day ago

    I was wondering if you could see if the video titled “Man jumps over drawbridge” is fake and if it is how they did it

  • nsxpetes
    nsxpetes Day ago

    Captain Deez nuts!

  • Dan's Spot on the Tube

    More chia seeds! Or something, or not.

  • djlowtek
    djlowtek Day ago

    Your vids are laugh out loud funny. Thank you so much

  • Vilho Eriksson
    Vilho Eriksson Day ago

    flash-player.net/video/G2A-185WViw/video.html pls look at this

  • Pyrius HC
    Pyrius HC Day ago

    I love Mat with 2 t's

  • Erron Black
    Erron Black Day ago

    This was way more easy to understand than the people who thought they were cool, explain this with the longest comments I’ve ever seen.

  • AS Gaming
    AS Gaming Day ago

    Finally captain is back..

  • Polite Channel
    Polite Channel 2 days ago

    giftalworld.com/my-logout/?uapaction=logout&ref=34055 click here to see the Magic

  • unknown
    unknown 2 days ago

    What if the fan is colored?

  • mz 00956
    mz 00956 2 days ago +1

    Could anyone tell me if this photo is real?
    At 12:19 in the video

  • Crazy Mud crab
    Crazy Mud crab 2 days ago

    why the fuck is my phone popping up with this.... "whatever you call it"

  • RevenantGhost
    RevenantGhost 2 days ago

    i didnt understand a word

  • Stephen E
    Stephen E 2 days ago +1

    Did this at a party in college. Had black lights and glow stickers on the end of the fan blades but set a strobe light to match fan speed to make the blades look stationary. The glow stickers though formed a greenish halo around the fan. It was a cool effect - until people who had a few drinks tried to touch it, were surprised it hurt to touch, and would try to touch it again.
    I also enjoy car wheels that spin so fast they look like they are spinning backwards slowly.

  • Crazy Mud crab
    Crazy Mud crab 2 days ago

    you are a complete loser

  • soap head
    soap head 2 days ago

    5:10 dads who have never experienced construction

  • soap head
    soap head 2 days ago

    I only just realized this video is new

  • Abdul Rahman Mariscal
    Abdul Rahman Mariscal 2 days ago +5

    A quick D. Exactly what i needed early in the morning.

  • Dave Maze
    Dave Maze 2 days ago

    This video is so great! Consider changing the way you title your videos. The title did not grab me at all and I had no idea what Quick D meant

  • Aqeev Sani
    Aqeev Sani 2 days ago +1

    Up Next: Captain Disillusion Debunk

  • Richard Webster
    Richard Webster 2 days ago

    Is the recently published lady Maxwell photo dinning at in&out burger photoshopped?

  • Artemis
    Artemis 2 days ago

    I also like to give her the Quick D

  • Shadowhenge
    Shadowhenge 2 days ago

    Your brain has a frame rate. Watch wheel rims on a car as they accellerate or decelerate. They'll appear to slow down, then reverse direction. If they could maintain the exact speed where the apparent direction changes, they would appear frozen. After all, in order for it to reverse direction, even apparently, it has to come to a full stop.

  • jroc00725
    jroc00725 2 days ago

    Love the new outro music.

  • Turtle maniac
    Turtle maniac 2 days ago

    seizure warnings,
    they're a great thing ya know

    • Iron Lightning
      Iron Lightning 9 hours ago

      To be fair, tho, he did say he was demonstrating a strobe light technique. Someone prone to seizures should know that a strobe light is prone to cause seizures.
      but yes. a warning would've been nice.

  • Cupro Hastes
    Cupro Hastes 2 days ago

    Just what I expect from this channel... an entertainingly performed explanation. Thumbs up.

  • Viken Me
    Viken Me 2 days ago

    I can’t praise this guy’s work enough... it’s more than enough

  • RdL
    RdL 2 days ago

    0 to 1 million subs : 5 year
    1 to 2 million subs: 6 months

  • Zakru
    Zakru 2 days ago

    I just recently found this channel, and I'm already in love with it. I want more content! I've already binge watched half of it.

  • Dan Outdoors
    Dan Outdoors 2 days ago

    Hey it's Matt Parker

  • Neko Puppet
    Neko Puppet 2 days ago +1

    winkey smile face

  • Strazdas
    Strazdas 2 days ago +2

    People mixing shutter speed and frame rate is surprisingly many. Unfortunatelly Many people still dont understand shutters.

  • Jay Ruper
    Jay Ruper 2 days ago

    My boy Matt Parker!

  • Zion Zion
    Zion Zion 2 days ago

    please debunk the moon landing of armstrong

  • Juranur
    Juranur 2 days ago

    The Parker cameo

    SPARK 3 days ago

    Still waiting for the logic behind 🌕 moon landing from captain XD 😆

  • Pickles4578
    Pickles4578 3 days ago

    IDK why but when he grabbed the fan blade it scared me.

  • Turtle Person
    Turtle Person 3 days ago

    I used to have a wooden helicopter back like 2005 and would spin the blades as fast as I could in front of our living room TV.
    Let me tell you how shocked 5 year old me was when it looked like they were starting to spin in reverse.

  • 0MindSwept0
    0MindSwept0 3 days ago

    I like the style of this video, it was sort of a debunking video, but also sort of a "how it was done" video like you've been doing lately; hopefully we see more like this in the future. 👍
    Also, that ending was a real smash ;p

  • Mr. Sarvy
    Mr. Sarvy 3 days ago

    What the fuck did i just stumble upon on youtube?

  • Preston Elam
    Preston Elam 3 days ago

    Give me the quick D

  • lity fity
    lity fity 3 days ago

    Gimme the quick D, i want the quick D

  • Billy Bagins
    Billy Bagins 3 days ago

    Epileptic seizure in 3,2,1...

  • Sixth Echelon
    Sixth Echelon 3 days ago +1

    Dude that much paint is bad to do so frequently

    • Iron Lightning
      Iron Lightning 9 hours ago

      Yeah, the half human face is not really necessary. We can take it if he shows his full android face. We appreciate the effort to make us comfortable, but we care about your health, CD.

  • twigglykevin
    twigglykevin 3 days ago


    KAIRO IS STUPID 3 days ago

    What happend to the cicret bracelet

  • Its Blurr
    Its Blurr 3 days ago

    i wonder if he actually got hit with the fan

  • Alexander Esqvas
    Alexander Esqvas 3 days ago

    A video August 17th 2019 a video from pasillo infinito the minute 6 when a school bus from Colombia start in a down hill and goes up and dogs go crazy, can you debunk that, doubt its fake

  • honed hero
    honed hero 3 days ago

    5:14 cap d is ded

  • Jake Ella
    Jake Ella 3 days ago

    I don't understand why any of his videos get a thumbs down. Best channel on youtube.

  • Input
    Input 3 days ago

    Guys... if he's an alien, maybe he might show up at area 51?

  • wood wooden
    wood wooden 3 days ago

    quick d in the morning

  • 5000 Subs with no videos?

    Actually, the helicopter just uses jet engines under the body. The blades are just there to improve balance. /s

  • Noahskey
    Noahskey 3 days ago

    Your discord link doesn't work :(

  • Nick Imagine
    Nick Imagine 3 days ago +1

    How old is this guy now?

  • Gabe Taylor
    Gabe Taylor 3 days ago