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What is a Leap Year?

CGPGrey CGPGrey·58 videos
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Published on Feb 28, 2012

Why do some years have an extra leap day and what is it for?
**CGPGrey T-Shirts for sale!**: http://goo.gl/1Wlnd
Grey's blog: http://www.cgpgrey.com/blog/

Also check out MinutePhysics' video: http://www.youtube.com/watch?v=53glKE... & SciShow: http://www.youtube.com/watch?v=HnDsXh...

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Top Comments

  • 79Ayvias

    79Ayvias 1 week ago

    I think we might just die sooner from cancer by looking at your post

    · 48

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    in reply to Brenden Stevens (Show the comment)
  • xsTroNgeR1

    xsTroNgeR1 1 month ago

    Creeper in car at 1:38

    

    · 44

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    in reply to Dobrochna Delsen (Show the comment)

Video Responses

This video is a response to Re: Leap Years, 2012 & The Mayan Calendar

All Comments (3,853)

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  • hakzpro

    hakzpro 4 hours ago

    3:05 that scared me...

    ·

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  • ElliottBelardo2

    ElliottBelardo2 3 days ago

    Robot on logo at 3:05

    ·

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    in reply to Dobrochna Delsen (Show the comment)
  • Nicole Hibbert

    Nicole Hibbert 3 days ago

    LOL I love the reference to Australia's crazy Christmas :p

    ·

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  • Nicole Hibbert

    Nicole Hibbert 3 days ago

    LOL I

    ·

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  • Cameron Ogilvie

    Cameron Ogilvie 6 days ago

    2:58 GAMEBOY

    ·

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  • GamingMentaly

    GamingMentaly 6 days ago

    bottom left corner

    ·

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  • ice velez

    ice velez 1 week ago

    i saw a character in Dota

    ·

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  • irockleftsocks13405

    irockleftsocks13405 1 week ago

    It's not that you're not smart, you're just a bit ignorant. That's why there's people like Felipe Diniello to tell us things that things that we didn't know or think about.

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    in reply to MicrosoftNestleTea (Show the comment)
  • MicrosoftNestleTea

    MicrosoftNestleTea 1 week ago

    Guess I never thought of that.

    And this is why I don't think I'm smart.

    ·

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    in reply to Felipe Diniello (Show the comment)
  • Felipe Diniello

    Felipe Diniello 1 week ago

    that would be the dumbest solution... almost every freaking physic constant relies on the value of a second. Time is one of the seven magnitudes in which all the others relies on. Changing that would mean that you would have to recalibrate almost any instrument.

    ·

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    in reply to MicrosoftNestleTea (Show the comment)
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