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

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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. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Skating #ThinIce About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta 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" https://www.nationalgeographic.com/adventure/activities/winter-sports/skating-thin-black-ice-creates-sound-nordic-spd/ Hear the Otherworldly Sounds of Skating on Thin Ice | National Geographic https://youtu.be/v3O9vNi-dkA National Geographic https://www.youtube.com/natgeo
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Text Comments (6850)
National Geographic (1 year ago)
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!
Caramon Majere (6 days ago)
What if he fell down, like tripped or something?? Would he go through??
PattiPolvi (9 days ago)
Its called "steel ice" and there is a simple formula to calculate how much weight it holds. ( [Thicness]^2)*5 so 42mm=4,2cm = (4,2^2)*5=88,2kg
Vibrant Hues (16 hours ago)
I am so scared for him and a little ashamed for wanting him to fall in 😂😂😂
Mike D (19 hours ago)
You don’t need to skate, just walking on the ice can produce the same sounds.
Alex Noir (2 days ago)
It makes the same sounds when I throw rocks on frozen lakes. Wonder why the sounds are made.
Adam Davis (4 days ago)
This sounds like an Onion or ClickHole video
Andreas (4 days ago)
1:43 The ice is moving and you can see it :O
Shtwaan E. (4 days ago)
This has to be turned into a movie scene. Five minutes of nerve-wreck, accompanied by this sound.
J Gunzler (5 days ago)
Interesting way to get yourself killed
yankeechief2713 (6 days ago)
LISA OPPA (7 days ago)
It's like the crack is following him 😵😱
ramona lynn (7 days ago)
Skating for your life 😨
Lucas Munro (8 days ago)
Sounds like a Stockhausen composition
James (10 days ago)
Sorry, but you don’t ‘learn from your mistakes’ on this.. you just die
James (10 days ago)
Dude has a death wish. Totally though the video would end with him going under the ice
lapis lazuli (10 days ago)
Sounds like minecraft
Madelyn H. (11 days ago)
Yea it’s thicc
jake (11 days ago)
crypt world
moon cat (12 days ago)
i always click on this whenever its on my feed
dy 94 (14 days ago)
Imagine doing triple axel here and you’ll get a free frozen bath
ENDER SKULL 99 (16 days ago)
Its even chilling to even say the word *black ice*
S C (26 days ago)
People think of the strangest reasons for doing things. Newly formed, thin, black ice ( for the sounds) V thick hard ice ( for good, old fashioned fun). Go figure!
Garegin Vardanyan (29 days ago)
Search on YouTube On thin ice 4 Won't be disappointed 😉
RedStarTV (30 days ago)
I heard the same sounds when I held my sister's head under water. (Dark jokes, not real)
Darkmatter 69 (30 days ago)
I thought he was blind fjff
Crystal Price (1 month ago)
This guy might be a mathematician, but I’m a retired statistician and he’s nuts!
akiraguy (1 month ago)
This guy skate on mighty thin ice.
Evolution of Dave (1 month ago)
time to get my backside to Sweden - just wouldnt be the same if I tried this in the UK - absolutely mesmerizing footage and sound
aaron maxim (1 month ago)
Black is has nothing to do with the thickness. Other stuff here embellished to made it seem very risky. Lived on water all my life. Still very cool.
Aldurion (1 month ago)
These laser-like sounds of skating on thiny ice reminds me Darkorbit lasers lol
Nathan Crossen (1 month ago)
Aquaman is stuck under the ice.
Lucky Man (1 month ago)
I thought the sound of skating on thin ice was my wife stomping around the house and sighing angrily.
Kevin Yes (1 month ago)
Sounds like blaster fire from Star Wars battlefront
kiyosen L. (1 month ago)
Its the sound of mass shifting due to lots of tension, like when you apply more pressure to taught steel wires, the ice is so thin that the entirety of it shifts from the weight but only slightly, too thin of ice and it bends too much and breaks or cracks or just flexes too much to begin with, too thick of ice and it doesnt flex enough, this is just an assumption though
Chris Axberg (1 month ago)
The ice we skate is getting pretty thin. The water's getting warm so we might as well swim.
Bianca von Kannen (1 month ago)
Chris Axberg My world‘s on fire, how about yours?
WeeWeeJumbo (1 month ago)
Just watching this made me anxious. I need a Xanax
StrongPowerThankYou andHeartbreaker (1 month ago)
"So it's best done in groups for safety." Shows guy skating on the ice alone.
Lee S (1 month ago)
Get apetor film in here.
Tyler Durden III (1 month ago)
Is it not the sound of the ice breaking? because it sounds like so. The ice is packed close so that instead of shattering apart, it stays put thus the sound of faux shatter is echoed through
Josh Ryno Saquita (1 month ago)
I here this at Apetor films
송해성 (1 month ago)
Every time I see the word 'black ice' I can't get rid of image of key and peele.
YourHorridDaydream (1 month ago)
Snoopy.Diz (1 month ago)
Thick and blue, tried and true. Thin and crispy, way too risky.
CatherineZ (1 month ago)
Oh, no no no no no
brajuhani (1 month ago)
5 cm? That isn't thin, fake news.
Odd Ragnar Deng Lerstøl (1 month ago)
If our world is making these otherworldly sounds, imagine what sounds other worlds can make.
darren hurn (1 month ago)
im gonna take a poo, i netter be top co,,emt wjem o c,ome back
Maisie Callaghan (1 month ago)
Maisie Callaghan (1 month ago)
Maisie Callaghan (1 month ago)
ZoopZ. (1 month ago)
like art and science.... Apetor should be proud of himself.
Cloodhee Grape (1 month ago)
0:55 u died
Bolwing (1 month ago)
Remember dont ice skate alone, same as diving :)
Ieago (1 month ago)
This seems super dangerous.
Ric. T. (1 month ago)
Where can I get these skates?
Константин Войнов (1 month ago)
Don't step on such a thin ice. 4,5cm that's really thin. I've seen once how my friend fell under the ice. He was able to climb back but that was unpleasant. Wait till ice is 20+cm thick.
Szr7zMix5kcV6F3 (1 month ago)
he must have a very low BMI since the ice supports him and his massive balls
CC B (5 days ago)
B B (8 days ago)
Best comment ever 😂😂
shortbread (1 month ago)
god these comments are so bad
StealStar28 (1 month ago)
I kinda want to make a song ou t of these noises
Alpa Cino (1 month ago)
The VSO Gun Channel (1 month ago)
🤨do we have to sensationalize everything? It’s thin ice cracking. It’s like a bunch of people that have never lived we given cameras.
Michael Castro (1 month ago)
Ice: “It is the year 2089, and the war wages on....”
Tom McDonald (1 month ago)
You're skating on thin ice mister
Chad Christopher (1 month ago)
It's dangerous to skate on thin ice, so make sure you bring a lot of people out there with you.
Zeke Strickland (1 month ago)
This comment is hilarious in every way possible lmao
Shao Yu Mai Wang (1 month ago)
Yes, so you can all die together when they try a rescue attempt.
༎ຶ Not Fury ༎ຶ (1 month ago)
Where’s apetor the vodka guy?
Miguel Nascimento (1 month ago)
Why is this art? Is riding a bicicle art? A skateboard? Driving a car? Or is it because it makes "otherworldly sounds" that actually come from lakes in none other than our world?
SchattendragonflyPL (1 month ago)
Did you guys see the surface wave at 1:46 ? WOW.
Morgan The (1 month ago)
Sweden is being conquered by muslim migrants. Native swedes will be extinct before 2100.
Sagan Unit (1 month ago)
That's actually thick ice! If it would be <1 inch I'd say it's thin.
Tyler Kearns (1 month ago)
Seems like a good idea
ja maguire (1 month ago)
I wonder if the long stick is kept in his hands (at least partly) as a safety bar that can support him if the ice cracks and he falls in.
EmissaryGW2 (1 month ago)
I was thinking that too, probably since the other thing he uses it for is poking holes in the ice to measure and you don't need a long pole for that
JC (1 month ago)
sounds like a slinky
Brian Lange (1 month ago)
Pretty sure I heard this in an Aphex Twin song....
Cesare Pampena (1 month ago)
That is 1.77 inches thick. Seems borderline dangerous.
Gurp El (1 month ago)
It sounds cool and it looks amazing
JMW (1 month ago)
Ice Ice Baby.
GANJI (1 month ago)
That ice sure is THICC
Brian Wang (1 month ago)
Apetor says hi
Szymon Prostko (1 month ago)
Apetor can show you how to ride on thin ice ;-)
Dhanar Putra (1 month ago)
Can someone hold an ice-skating tournament yearly in that river?
Richard Smith (1 month ago)
The sound of ice cracking beneath you. Terrifying. I don't understand people like that.
K S (1 month ago)
this is the sound that makes all the mechanical engineers simile :)
AlwaysMorenZi (1 month ago)
Alot of people calling this dangerous thrill seeking. It's more like skating with the possibility of some ice swimming when he clearly knows what he's doing. The sideways pole stops him from falling through, the spikes on his left shoulder help him up if he does, the backpack likely has a set of dry clothes wrapped in plastic for quick change. + he has a friend with him. That said, this surely isn't my idea of fun
Kody Hill (1 month ago)
That's a good way to get yourself killed. Idiot
Allen Han (1 month ago)
becareful for black ice they are deceiving.
Wakaziar (1 month ago)
Rangifulla (1 month ago)
Black ice matters
FBI (1 month ago)
Star wars
K-den (1 month ago)
Dont know why this made me think of that Polar Express scene...
Shark Guard (1 month ago)
I hope the ice cracks. I dislike thrillseekers. Their actions will call for others to come save them
Pizzagulper (1 month ago)
You don't have to even ice skate to get that noise. When I use to slide around on the swamp in my back yard, i would hear that noise. It's usually the sound you hear just before you fall in. XD
Michael Weskamp (1 month ago)
Clever to carry the sticks. Thats gives you a chance to get out, when you break in.
Takezo Kwon (1 month ago)
Xi Wang (1 month ago)
How was the engine noise being removed from the video? Since I suppose the top-down view footage was taken by a drone. Or they simply attach the sound-only recording to the bird-view part?
fl00fydragon (1 month ago)
You can see the ice cracking as he passes. That's outright horrifying.
marcel haase (1 month ago)
fl00fydragon these are not cracks hahaha
The Bradass (1 month ago)
What kind of skates are those?
Eric4bz (1 month ago)
1:58 if you look really, REALLY closely at the light's reflection, you can see the ice is moving...
Tom Brady 6x Super Bowl Champion (1 month ago)
This dude was on thin ice.
Moose (1 month ago)
pew pew pew
Joshua Cisneros (1 month ago)
Engage ice lasers.
BrazenBullXXX (1 month ago)
I skate the new fall ice on my local lake that is only 2 inches thick. It sounds the same but not as distinct because of the distance between sides of the lake. I carry picks but rarely skate over 4 foot of water. This is not safe at all. In 4 years I have went in twice but luckily it was only two feet of water both times. The thing is you have to keep moving and pay attention to how many times you went over the same area. This isn't for the weary. Wait til you get 3 inches and you should be alright.