Hear the Otherworldly Sounds of Skating on Thin Ice | National Geographic

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  • Published on:  2/9/2018
  • This small lake outside Stockholm, Sweden, emits otherworldly sounds as Mårten Ajne skates over its precariously thin, black ice. “Wild ice skating,” or “Nordic skating,” is both an art and a science. A skater seeks out the thinnest, most pristine black ice possible—both for its smoothness, and for its high-pitched, laser-like sounds.
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    Black ice is recently frozen, and can be as thin as 2 inches and still support the weight of a skater. Like a dome or arch, the support comes from the sides rather than the top, and the water underneath prevents the ice from breaking. But, experience and careful advance planning are key. Factors including temperature, atmospheric conditions, and even satellite images of the Earth’s surface are considered. It’s complicated, but appealing to mathematicians like Ajne. Even with preparation, there’s a risk of falling in… So it’s best done in groups, for safety.

    Read about the science behind Nordic skating in "How Skating on Thin Ice Creates Laser-Like Sounds"
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    Hear the Otherworldly Sounds of Skating on Thin Ice | National Geographic
    https://www.201tube.com/video/v3O9vNi-dkA/video.html

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Comment

  • National Geographic
    National Geographic  7 months ago+3134

    Black ice is recently frozen and can be as thin as 2 inches! Do you think you want to try Nordic or wild ice skating? Make sure to try in groups if you do!

  • Tiga
    Tiga 57 minutes ago

    Oof, imagine falling in and trying to pull yourself back up out of the ice. Pry break right through.

  • Saesario Lisenty
    Saesario Lisenty an hour ago

    Balls of steel

  • GOD aka dr phill
    GOD aka dr phill 3 hours ago+1

    I like my ice thicc

  • Verona Rapuc
    Verona Rapuc 13 hours ago

    Perfect ASMR right there

  • MrUnite4thechildren

    So as you push off from the shore
    Won't you turn your head once more
    And make your peace with everyone?
    For those who choose to stay
    Will live just one more day
    To do the things they should have done.
    And as you cross the wilderness
    Spinning in your emptiness:
    You feel you have to pray.
    Looking for a sign
    that the universal mind
    has written you into the passion play.

  • CreatorNite
    CreatorNite yesterday

    *The skater seeks out the most thinnest ice as possible*
    Yep until he falls in.....

  • Ample17
    Ample17 yesterday

    There must be stormtroopers somwhere in the forest!

  • Bob Builder
    Bob Builder yesterday

    Pew pew pew oh this isn’t Star Wars

  • Сергей Сергеев

    Первый лед самый крепкий. Красивое видео!

  • Sam Turner
    Sam Turner 4 days ago

    Im pretty sure theres no one on otherworlds stupid enough to skate on thin ice

  • Marjan393
    Marjan393 4 days ago

    I love that sound. I Holland we have the same sound only we start ice skating when the ice is more then 5 centimeters

  • Tv Robotic
    Tv Robotic 4 days ago

    Watching in class with no volume lol

  • Ayo O
    Ayo O 4 days ago

    Need this in the next James Bond movie

  • mitchify
    mitchify 5 days ago

    sounds like death

  • kcvriess
    kcvriess 5 days ago

    I feel more at ease when it's about 8cm thick.

  • Quail
    Quail 6 days ago

    nah its thisworldly

  • Jaque Glassé
    Jaque Glassé 6 days ago

    1:44 is the craziest park, you can see the ice undulating

  • JL
    JL 7 days ago

    _So...its making that laser gun noise?🤔_

  • Ethan Deardorff
    Ethan Deardorff 8 days ago

    ok but like why though