Identical Snowflakes? Scientist Ruins Winter For Everyone. | Deep Look
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- Опубліковано 10 кві 2017
- We've all heard that each and every snowflake is unique. But in a lab in sunny southern California, a physicist has learned to control the way snowflakes grow. Can he really make twins?
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California's historic drought is finally over thanks largely to a relentless parade of powerful storms that have brought the Sierra Nevada snowpack to the highest level in six years, and guaranteed skiing into June. All that snow spurs an age-old question -- is every snowflake really unique?
“It’s one of these questions that’s been around forever,” said Ken Libbrecht, a professor of physics at the California Institute of Technology in Pasadena. “I think we all learn it in elementary school, the old saying that no two snowflakes are alike.”
--- How do snowflakes form?
Snow crystals form when humid air is cooled to the point that molecules of water vapor start sticking to each other. In the clouds, crystals usually start forming around a tiny microscopic dust particle, but if the water vapor gets cooled quickly enough the crystals can form spontaneously out of water molecules alone. Over time, more water molecules stick to the crystal until it gets heavy enough to fall.
--- Why do snowflakes have six arms?
Each water molecule is each made out of one oxygen atom and two hydrogen atoms. As vapor, the water molecules bounce around slamming into each other. As the vapor cools, the hydrogen atom of one molecule forms a bond with the oxygen of another water molecule. This is called a hydrogen bond. These bonds make the water molecules stick together in the shape of a hexagonal ring. As the crystal grows, more molecules join fitting within that same repeating pattern called a crystal array. The crystal keeps the hexagonal symmetry as it grows.
--- Is every snowflake unique?
Snowflakes develop into different shapes depending on the humidity and temperature conditions they experience at different times during their growth. In nature, snowflakes don’t travel together. Instead, each takes it’s own path through the clouds experiencing different conditions at different times. Since each crystal takes a different path, they each turn out slightly differently. Growing snow crystals in laboratory is a whole other story.
---+ Read the entire article on KQED Science:
ww2.kqed.org/science/2017/04/...
---+ For more information:
Ken Libbrecht’s online guide to snowflakes, snow crystals and other ice phenomena.
snowcrystals.com/
---+ More Great Deep Look episodes:
Can A Thousand Tiny Swarming Robots Outsmart Nature? | Deep Look
• Can A Thousand Tiny Sw...
What Gives the Morpho Butterfly Its Magnificent Blue? | Deep Look
• What Gives the Morpho ...
The Amazing Life of Sand | Deep Look
• The Amazing Life of Sa...
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---+ See some great videos and documentaries from the PBS Digital Studios!
The Science of Snowflakes | It’s OK to be Smart
• The Science of Snowflakes
An Infinite Number of Words for Snow | PBS Idea Channel
• An Infinite Number of ...
Is an Ice Age Coming? | Space Time | PBS Digital Studios
• Is an Ice Age Coming? ...
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---+ About KQED
KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.
Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
#deeplook - Наука та технологія
your videos are awesome, guys! keep it up ✨
i've been wondering about the details of how snowflakes form since my childhood. yeah, i could've just googled it, but seeing it all neatly packed into this one video is way nicer (:
Many thanks, Alex!
alex cyrel I agree!
Why sift through a bunch of sites when you have such a nice video that sums it all up for you!
Deep Look, hey! How about to make video about Tetranychus urticae - that's latin name. They are small plant parasites that makes cobweb on pillars. They considered as a pest and there is no science video about them, except how to exterminate them.
alex cyrel rr
The best way to make a difference
You can't exactly ruin snowflakes when there aren't any
**cries in tropical country**
i feel you -_-
Yeah, me too
Wait for the iceberg to pass by Bikini Bottom again
@@jakeryker546 Lol
eh summer is better anyway
Ultimate spot the difference
Deep look did not give you a heart, so here is a reply
Here is another reply
The last two snowflake pairs aren't identical - the second one is denser in the middle
Oml xD
Here is another reply
now i have a topic for my school project thanks to deep look
You are welcome phillipe!
philippe marie viloria ayy goodluck boi
Send it to me
LUWADO what do you mean
OMG you're right!!!! If you look at the middle they have different sides
I think winter is actually more awesome after learning that :) (not ruined!)
Whew!
So wait, if there are identical snowflakes, is there an identical of me?
Will I ever get to meet them?
#showerthoughts
@@PS1212 (late) Maybe he is somewhere, maybe you need to try to find him
You never know
@@PS1212
I have heard there are 7 identical people to each one of us
Thank God
Whoa. So purty. Neat use of animation mixed with the usual deep look macro goodness. Really love this one!
Thank you, folks! Super glad you have joined us on PBS Digital Studios.
Snowflakes are just like people, when you look at them from far away, you can't tell them apart.
ok kid
God, I forgot I commented this, I hate my old self.
snowflakes are like people, I put them in my mouth every time
Without directly talking about it, you made a wonderful metaphor about how every person's path to maturation is unique, that the journey itself shapes the way they are, and that no two paths are alike. Beautiful.
I wonder, was there a consideration to talk about how bacteria and other microorganisms act as nucleation centers for raindrops/snowflakes? Was it not relevant to this video? Also, I'd love to know whether the climate at a macro-scale determines the overall trend in snowflake shape, and how that effects the "type" of snow one would experience when skiing or snowboarding on it. For instance, in drier snowfalls, do the snowflakes take on less arms, and it gives a butterier ride? Or if its a more humid climate, are there more arms on the snowflakes, and the snow is grippier?
Thanks again so much for making this, I try to watch your new videos the second they come out. It's the best series I've ever watched, and that counts huge budget documentaries as well, because stuff like planet earth only shows the spectacle that is life and nature, but you guys actually contact researchers and elegantly describe the fascinating dynamics of how something works, which is way more interesting. And each video is in a bite size chunk. And they're beautiful. And the'yre exquisitely shot and paced. And the script is great. And the narrator(s) has the perfect voice for this. Just makes me :)
thats deep...
look
Snowflakology is a thing I guess
Great quality vid feels like I'm watching an HBO documentary.
High praise!
But a bit more fun!
I'm sorry to tell you this but... With all those trillions of snowflakes falling a day, one is bound to be the same as another.
Maybe
@Erissa Romero millions upon billions (im actually not sure how many, its just a lot) of snowflakes fall in one snowfall, its scientifically impossible to go through every single one to find two identical ones.
Yee.
@Erissa Romero aren't u 😎 in 🇺🇸 we have this thing.. this right known as freedom of speech ever hear of it it's this annoying some thing that allows people to make statements without having to prove them if they don't want smh... Go figure....but it must be important it's the first amendment of our constitution
I've never understood this. The general pattern might be similar, but two snowflakes would also have to replicate every imperfection, every molecular deposition, and every contaminate. Maybe that could be done in a lab, but in the sky? I dunno...
There's probably a hidden meaning in this video about lab grown humans.
sssshhhhhhhhhh
Oooooohh
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Deep Look is bae ;)
many thanks
Cytrillex BagelsMan Asuka is bae!
What? •-•
Kristin Official bae in English slang means neato/cool/nice etc.
Cytrillex BagelsMan oof
Just like us. It's not your genes who define who you are, but the path you take and the things that happen around you
Yoshi Koga Good genes help greatly as they are the building blocks you start with.
Nope
You have no idea what you're talking about
Amazing video!
Once you watch a deep look video you never stop. 😂
That's what we like to hear.
True
love the voiceover
Thank you, Lauren did a wonderful job.
Izzy Rudy Me too 😙
Snowflakes: scoffs* I'm unique.
Scientist: Hold my microscope.
Scientist 1: Hey Fred, What are you doing?
Scientist 2: Nothing
Scientist 1: Let's ruin the winters
Since Spring is upon us, how about a cool video about pollination in different plants? That would be really cool!
Spring? It snowed here last night lol
Henry Drosen what? It's April in the northern hemisphere, where do you live?
+Lawl Gamings April is warm, are you in Alaska?
@@shogun1650 the month is always the same everywher
Great production value on the work you do , great job . Love the channel , and love Laurens voice .
Thanks!
your pfp is scary af
I make sure I see the new videos as soon as they are published because I am certain it'll be great, keep up the excellent work.
Thank you! These kinds of comments make our day.
"Shaped by its own individual journey through the world." aw, aren't we all.
Can you guys do a video on space? Love the video quality, you guys deserve more subs and recognition
this videos are awesome, you guys are seriously one of the best channels on youtube, every video its just filled with quality
I love the production quality! It's always a bliss you watch your new video!
I'm in love with the camera quality.
“Simple geometry”
Simple and straight to the point high quality videos with a relaxing Narrator too. I hope this channel grows even further and be one of the top informative/science channels out there who doesn't depend on clickbait.
Kudos for this type of objective videos that stick to explaining beautifully what they can without implicitly trying to chug any agendas down our throats. You guys are doing it right, and I really hope your popularity skyrockets soon 'cause you deserve it so much.
this is soo satisfying to watch
whatching this while eating ice cream was a great expirience
Omg pleases keep making videos! This is so great! All the close ups and info just amazes me!
since the beginning of the channel, the quality of your videos has never dropped. I enjoyed watching them all!
YES! ANOTHER VIDEO TO SATISFY MY DAILY NEEDS FOR KNOWLEDGE
Why is this just appearing on my recommendations right now?
This episode is beautiful. Great work as always. Keep doing! 💪💪
We will!
I'm so happy I found this channel 2 weeks ago. I've binge watched so many of y'alls videos. They are so well made, and I love it. Thank you so much for making these! This is why science has always been my favorite subject in school. It's just so interesting!
You are welcome, Vanessa. We're thrilled that you love science, keep it up!
i still wonder why deep look doesn't have much subs like come on! you guys post 4k quality! and much more educational than school! you should work with animal planet or national geographic channel!
ps. well all love you deep look channel!
Gracias!
Not quite what I would call perfect copies, but I feel like we all knew why snowflakes were unique. It's just like a mandlebrot fractal, different and similar everywhere you look.
Veeeery cool~~~ Amazing experimental setup of that professor!
Superb video! One of your best ever! Though I really wish your videos were a bit longer.
This title should've been the title of the 2016 US election
But are those truly identical? One in every 3000 hydrogen atoms is deuterium, an isotopoe of hydrogen. A snowflake contains millions of hydrogen atoms, so wouldn't deuterium be randomly spread throught? Of course, that'd change if that physicist had actually filtered deuterium out of his lab (somehow), but I still think that even those twins aren't truly identical.
Also known as smart words
I have things to watch when StayAtHome thanks to Deep Look teams!! Love from West Borneo, Singkawang!! ♥️
I think a cold fresh snowfall in the early morning is one of the most beautiful scenery! I have always preferred a cold snowy winter over summertime. I’m 58 years old now and our winters are nothing like they were when I was a kid. The most fun I ever had was during the blizzard of 1978. We got out for Christmas break a week before Christmas and didn’t go back to school until after my birthday on February, 22! We kept getting snowfall after snowfall that year! It was a historic winter that year! 🌬🌨❄️🌨❄️☃️☃️☃️❄️🌨❄️💨🌬
Why your videos are so beautiful 😍
WhatsApp Videos ikr!!!
Plz make more videos i love this channel I learn more from this channel than science class
School should help you learn as much as teach you things.
amazing channel, started watching it since the beggining but subbed now cuz dunno why
I just love videos from Deep Look. Highly informative and presented by a soothing voice. The way your videos are put together makes them extremely intriguing. Love from the Netherlands ❤️
Hey! Many thanks.
Moral lesson from this:
People are just like snowflakes.
They start of the same mind, but life as a journey makes us all unique.
May I request? I wanna know about honey. Is that possible for you? Your videos are great!....
Wow - no-one has suggested that before, great idea.
So thats great ^_^
Greeting from me in Indonesia to your team...
yea, that would BEE so SWEET of you
This video just came into my recommended feed and I'm really glad it did. I've watched like 5 videos from this cannel right away, and now I love this channel. Great work everyone in this team. You guys just earned a new subscriber.
i really hope you guys make more shows :)
Wow, that's pretty COOL. I'll leave.
NO DON"T LEaVE :C
it's pretty much exactly like evolution. each species/snowflake is from the same building blocks but ends up becoming a little different because of their respective environments.
The white J Cole ermmm... no. It's a bit more complicated than that
I know. Evolution has a lot more process behind it, but the concept is very similar.
"the gradual development of something, especially from a simple to a more complex form." definition i found of evolution
hahahahahahaha...
I *LOVE* Deep Look! I have been enthralled by every video.
Thanks, James!
I'm glad I found this channel! Great vid, Lauren, do you narrate audio books as well? I could listen to you all day!
Yeah, but why do they create spikes if they would rather occupy a hexagon? Why in such a flat dimension as opposed to more 3D snowflakes as big spike balls?
I thought they required some kind of nucleation site as well.....so could that be an influence to the overall shape?
Long story short, if you make all conditions the same, you should expect the same thing, this hasn't really taught us anything.
- Chemistry Masters student
i'm a special snowflake and this offends my rights
lol
Wow, didn't see THAT joke coming 😜😉🤓😴
Deep Look
your videos are amazing
have you ever thought of filming a
tardigrade
star nosed mole
an imortal jellyfish
yeti crab
and last hydrothermal vents
We absolutely love star-nosed moles. And we do have a crab episode coming up (you heard it first!!) . But, we did do a jellyfish episode already: ua-cam.com/video/xQNxXUtRjzg/v-deo.html
Deep Look
you replied😆
i love your channel
im sad that i did not see this notifaction earlier
but great videos
Once again, Deep Look is back at it again with another amazing video. These videos just get better and better. Absolutely stunning! Keep up the great work!
Thank you, Henry! We promise to keep making them.
my old problem with this challenge is that there aren't enough videos!!!! keep up the great work, guys. always happy to watch your content. cheers!
We make 20 videos a year, we'll keep them coming.
hiiiii
hellloooo are we in an echo chamber
Deep Look looooollllll
Deep Look omg
Deep Look I cant belieeeeeve youuu repliiiieeed
Now you're not a special snowflake eh
😑.
These videos are so relaxing. The commentary is amazing!
That was amazing. The quality of this show is stunning
Deep Look, I love your videos but I think your wrong on this one. I'm very skeptical, I want to see the math. Your telling me that over the total estimated lifetime of the universe (trillions of years) and trillions of planets, not one pattern of atoms will repeat in 2 or more snowflakes? I don't buy it. Snowflakes take up limited space with a set amount of atoms. Surely based on pure probability, with those variables, at least 2 snowflakes surely would be the same
Flip a coin 300 times. The number of possible sequences (2^300) exceeds the number of atoms in the visible universe. When you are dealing with combinations of something, you get exponentials, which add digits to your numbers with every couple of choices you make. A trillion times a trillion is 10^24, that would be just about 80 binary choices (log_2(10^24)).
Chigs1764 There nearly infinite possibilities for the shape of a snowflake. The universe however has not been in existence for a nearly infinite amount of time
+Palapa69 Backup
There is no such thing as "nearly infinite".
Kalum Batsch I think everyone knows what I mean -_-
+Palapa69 Backup
Not really..
nothing but only SUBHANALLAH!❤💖😍
This is the most fascinating channel I have ever discovered... keep it up!
High quality videos with interesting topics. Well done. Please don't stop making videos I'm hooked on your channel.
beautifully edited, filmed and narrated. another thumbs up for this amazing video ♡♡
Wow- thank you.
Love this channel. Perfect speaker, perfect graphics
I watch you guys a long time now... i don't lose any vídeo because i love This channel !
That was beautiful Lauren! Thank you!
Wow. Great video! Never knew a youtube video has this much quality.
That is so nice of you to say - we love the natural world and can't resist telling these stories.
Every video by Deep Look is awesome, this is very rare. Keep up the excellent job! Cheers from Brazil :)
PS: Love Lauren's voice!
Thank you Deep Look, I love your videos. I'll recommend this channel to my friends and my family💖💖💖
Thanks!
This was really interesting and fascinating! Very good video! :)
Hey!I subscribed.Great work and I love your videos!Keep it up!
I cant stop watching your amazing videos!
You definitely need more than 300,000 subs
An upload on my birthday! Thank you, guys💕
Happy Birthday!
They are just so intricate and delicate, it truly amazes me, wish I could store one
Yay another video from you guys!
deep look is the best o/ love it, need more, cant wait...
Thank you!
Another quality content from Deep Look. Great job as always!!
Thank you!
thank you for the awesome documentary. i love it!!
That was beautiful, thankyou!
MINDBLOWING !!! 🤩 Nature can never stop to amaze me ❄️
Love you deep look.every video is wonderful!
That zoomed in shot of snow 😍
this is my new favourite channel, i can't stop watching . u guys rock. these videos are so beautiful love u guys
Wow thanks!
OMGGGGGGGGGGG u gus responded to my msg i love u guys even moreeeeee nowwwwwwwwww :D u guys are so friendly muahhhhhhhhhh
It's spring! Let's talk about winter! Beautiful cinematography as usual!
Thanks!
Very informative and beautiful!
Just great.... :) I enjoy very much your content : )
Now i know how these flakes are made
THANK U SO MUCH
That was surprisingly poetic. Love it!
Thank you, Eduardo!
I've been on an hour binge. These videos are A1
Sweet vid, I still feel special after this. TY!
You are welcome! We need some ideas for more herps episodes....
Deep look is my favorite channel. the videos are always amazing. It has inspired me to go into macro photogtaphy.
Mary Monaghan hilarious and original
*H I L A R I O U S A N D* *O R I G I N A L* cool story bro.
Bravo Lauren great narration!!!
completely awesome. I share these with my engineer husband who would only delete the mail if he subscribed. He reads stuff he gets from me though. I wish you'd do a Deep Look on cat's whiskers and the pads they grow from. I love my cat and love it when he stares at me. It's really special being stared at by a cat.
That was delightful and I learned something :).