Bizarre Effect

This is what happens when you record a plane's propellers with a cell phone.

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29 comments posted so far. Login to add a comment.

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Picture of LightAng3l49 achievements

+9 1. LightAng3l commented 11 years ago

There's something on the wing! :S I want to get off !
Picture of cranky40 achievements

+137 2. cranky commented 11 years ago

Nothing to see here, we are rebooting the Matrix asap.
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+16 3. SmajlicekCZ commented 11 years ago

New bombarding methods?
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+7 4. chestrefeld commented 11 years ago

That is so weird?!?!?! :S
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+77 5. Wudjey commented 11 years ago

Who just divided by zero?
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+27 6. PortugaL26 commented 11 years ago

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+6 7. Teqskater commented 11 years ago

Looks like they came of!
Picture of zamuraii29 achievements

+9 8. zamuraii commented 11 years ago

How is that possible?? Seen this 10 times now, and it is still mindf****** me!
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+80 9. knospi commented 11 years ago

The Phone's Camera uses an algorithm which reads the picture information line by line. Since the plane's propeller rotates very fast, the camera's line-by-line method is way too slow to capture a correct picture of the propeller.
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+8 10. Urmensch commented 11 years ago

Really cool.
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+7 11. Chrisofskjern commented 11 years ago

aha.... And what cell phone might that be?
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-6 12. plurft commented 11 years ago

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+6 13. Dubsteppah commented 11 years ago

Nooooooo wayy that is blagging!
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+2 14. cheesewire commented 11 years ago

@ #9
ur wrong, its the 5th dimension :(|)
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+2 15. kazannova commented 11 years ago

wow i never sow something like that .. i think the window has something to do to make it seems like that
Picture of eggcarpet21 achievements

-3 16. eggcarpet commented 11 years ago

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+20 17. pokesmot commented 11 years ago

Phone can only capture so many frames per second, and the propellers are spinning at a certain RPM, just a weird optical illusion as a result of that.

You ever wonder why driving on the highway at night it looks like the wheels on the vehicle beside you are spinning backwards? The street lamps in most of North America run at 60Hz meaning those lights are actually blinking on and off 60 times per second creating a strobe effect; blinking so fast your eyes and brain can't even pick up on it. Once your wheels spin above a certain speed, it will appear like they are going backwards!
Picture of Philj27 achievements

0 18. Philj commented 11 years ago

Return flights are the only option and dont expect to get off before going back
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+3 19. synthesis commented 11 years ago

And that is why I shake my head at videos of UFO´s captured on video, you can´t thrust video, use your own eyes and see.
Picture of DarkiKun41 achievements

+3 20. DarkiKun commented 11 years ago

wow that is a seriously weirdly cool effect XD gotta test it with my phone when i fly again =3
Picture of irishgek50 achievements

+2 21. irishgek commented 11 years ago

#17 totally right about the lights, in fact if you try to record a tv or a street lamp you will notice black lines on the screen same as the propeller (by tv i do mean an old crt tv as modern lcd and plasma some times have 100-200hz and you wont see it so much)

Kinda reminds me of the strobe lights on the old record players.
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+4 22. smacker commented 11 years ago

This is what aliasing is!
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+8 23. pagan commented 11 years ago

dident the flight crew tell you to turn off your cell phone???

its your fault ;)
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+3 24. ledledled commented 11 years ago

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+2 25. Gorf commented 11 years ago

The rolling shutter effect is the result of the cheaper CMOS sensors used in mobile phones and consumer level HD cameras. It's also the cause of jello/jelly lens, where the subject is relatively static but the camera itself is moving a lot. Where the camera pans up, the footage appears squashed, where it pans down, it appears stretched, and where it pans right or left, it tilts in the direction of the pan. All video cameras suffer from the effect described by #17. This effect is particular to those cameras where the top of the video frame was not captured at the exact same instant as the bottom, which is what happens with older (and in my opinion, better) CCD sensor cameras.
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-1 26. itsSimple7 commented 11 years ago

My guess is that it is a Bombardier (Dash-8) Q-Series airplane, in which the propeller is by Dowty.
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0 27. InfiniteBoredom commented 11 years ago

I am not buying this. Someone test this with a fan or something.
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0 28. montypython commented 11 years ago

. . . I knew I should've taken the GREEN pill !?!*
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0 29. Gorf commented 8 years ago