The Leidenfrost Effect
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- Опубліковано 21 вер 2024
- This week Reactions is all about the chemistry and science of the Leidenfrost Effect. Have you ever seen a drop of water navigate a maze? It’s possible thanks to a weird phenomenon called the Leidenfrost Effect. Understanding Leidenfrost - first described more than 200 years ago - helped engineers make more efficient steam engines. Today, scientists are using high-speed cameras to work out how super hot water behaves on metal surfaces. These little levitating water droplets are a big deal -- this could also help prevent future nuclear disasters.
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Writer:
Sam Lemonick
Narrator/Scientific Consultant:
Darcy Gentleman, Ph.D.
Scientific Consultant:
Neelesh Patankar, Ph.D.
Scientific Consultant:
Kei Takashina, Ph.D.
Fact Checker:
Kyle Nackers
Executive Producer:
Adam Dylewski
Video Producer:
Sean Parsons
Special Thanks To:
University of Bath
Music:
"Boo_Boogie" By Dougie Wood
"Sunday_Plans" By Silent Partner
References:
pdfs.semantics...
www.wiley.com/c...
• The Leidenfrost Maze
• When Water Flows Uphill
journals.aps.or...
revolution-gree...
Thermal conductivity of liquid water
www.nist.gov/s...
Thermal conductivity of steam
journals.sagepu...
Ever wonder why dogs sniff each others' butts? Or how Adderall works? Or whether it's OK to pee in the pool? We've got you covered: Reactions a web series about the chemistry that surrounds you every day.
Reactions is produced by the American Chemical Society. - Наука та технологія
Who else is here, because of the russian guy putting his hand in molten metal?😂
😆
lol me
Yep
😅 how’d you know???
SAME!
They recently discovered the triple Leidenfrost effect, where water and ethanol droplets on a hot pan also bounce off of each other.
Time to put my hand in molten metal now
Now if he stuck his face in there the video would have gotten way more views lol
@@jpslayermayor9293 bruh!! 😂 😂 😂
now I can put my hand in molten metal
U come from daily dose of internet?
@@xxtheguyguyxx4400 I did
yes. me too
😂😂 sameeeeee
Your Daily dose brought you here too I see.
Same
Guilty!!! 😂
Yeah same here😂😂
Sane
Same xD
When I took college physics, the professor did a demonstration of the Leidenfrost effect with liquid nitrogen on a room temperature floor.
Just to explain the leidenfrost effect, this guy spent many bucks and used costly setups and cameras just for us.. amazing
I work in a kitchen and whenever I'm cleaning the hot plate with a cleaning stone I'll wash it off first so it cleaners better. Then I have to leave it to dry for a few minutes on the hot plate because the leidenfrost effect happens with it and levitataes it slightly meaning it just slides around like its on ice.
Now that you've mentioned it: I would be really interested in a video about the Bose-Einstein condensate
The accident at UK nuclear power plant Heysham 1 in 2018 is more suitable for the illustration shown as an example than Chernobyl and Fukushima
How about when you get liquid helium to 2 kelvin and it loses all viscosity?
I believe it's 2.7k and called a Bose-einstein condensate (can't check now), if not, I'd like to see that too!
David Hyatt just don’t, stop. You are making my brain hurt lmao
3:53 Shouldn't it be 'Leindenfrosticity'?
man!, your content is very informative and appealing. THanks!
Now where do i find molten metal in my state.
Eventually, the water stopped thinking
just like Kars
If you paddle the surface of a very hot cup of coffee with a teaspoon, it creates a droplet that rolls over the hot liquid surface.
I am vellore coming from poornima ravi.
Water droplets are not perfectly spherical but their curved and through the differentiation of the equation we aquire the tangent towards whose direction the vapour escape in liedenfrost effect takes place.
Before somebody creates a perpetual motion machine to generate electricity, creating the dry ice in the first place took a large quantity of energy. This was a very useful video up until the point of the bogus science.
Interestingly, this implies that u can boil off a small amount of water faster by reducing the temperature of tour pan, though ig this only works if the water is already "Leidenfrosted"
This video needs more view
why?
@@BeAmazedGuysiiiii Red nes
but. why? i've been trying to find an explanation for that propulsión in the internet and nobody seems to care. it's because radiation's "form factor" is grater for one side more than the other? is it because for some reason the steam flows in the drop moving direction draging it with it? and if so, why does the steam flows that way? i won´t pay to read a scientific papper on the subject. can somebody help me?
Did you find an answer yet because I'm looking for it now. If so do share it 🙂
This is _awesome_
I believe this affect will be combined with other affects to create space travel.
Sooo... what's up with plasma? That stuff is crazy, right? Is it truly a 4th state of matter or is there something else going on there?
No
Lol
Ionised gas
sooooo, theoretically, the Leidenfrost Effect can be used to make the impossible water fall
good to know
Not sure how leidenfrost effect has anything to do with loss of coolant accident of Fukushima, but good video none the less
The Leidenfrost effect, because the water is "lifted" by the steam, isolates the cooling water which limits the waters cooling effect. Less cooling equal higher heat equal Fukushima (or Chernobyl for us dinosaurs). OR, No Leidenfrost equal greater cooling by water equals better outcome.
@@qualicumwilson5168 But the problem was there was no cooling water, because the pipes broke? It wasn't that the water was not effectively cooling the reactor because of a gas layer...it was that there wasn't any water.
@@BeCurieUs His point was that the lack of cooling caused the problem. Loss of pipes via earthquake is one way that happens and deserves future solutions. Another way to lose cooling is via the Leidenfrost effect which also requires special studies which find solutions to the problem.
Looks like a magnet and a superconductor
O que é rato serjão?
Could you use (make) an item continually hot enough to float on water, and make this item move?
In theory it can work, meaning that it's a reverse role.
@@paokis1996 so theoretically I can make back to the future hoverboard.
@@otisoppenheimer1849 Most likely can happen, the main problem is that you can't control however you want the magnets (as a main source of almost infinite energy supply for hovering) cause of earth's rotation and not all soils have the same amount of magnetic energy
Leidenfrosty 😂...... Thats why I smashed that like button.
im about to do a 4k word lab report on this effect
I was looking through youtube studio and this is the most popular search for my viewers in canada... ok
Who is the guy at the 2:59 mark? He looks familiar.
I remember back in middle school, at some science demo, ther poured liquid nitrogen on my arm.
How was it
@@gorillula9650 Don't quite remember, but I don't think I would have felt shit. Probably not that far from plain cold water. I don't remember it being extremely cold or hurting at all. Thanks to the effect talked about in this video, my arm was unscathed
well now i can swim in molten metal
I watched a man that he puts his hand into molten metal that's why I am here
Cool
make a video of the diffrent states of ice
so how am i supposed to use my hand and not get burned? Cover my hand in boiled water???
*Who else came from Daily Dose of Internet?*
Me
Who else is here from that video of the guy putting the hotdog near a tank of liquid oxygen?
Well you certainly have our attention...
Can you use ferrous liquid and turn it actually into a smal generator? lol
So you just put your hand in water and you can all of a sudden touch lava? Wtf? I’ve had water on my hands and touched a hot plate and it burned for the 0.1 second there.
Who else is here from 'the boxer'
Not many people apparently.. Well two at least 😅
Make that 3
I'm here from Joshua Wiessman's page
U can't say x times less well because 1x and 2x would be the same thing. .. u must go from zero..not toward zero. Just so u know party🎉
I'm here because of the pickel and hot metal coil
Crazy how many people that Russian guy taught Leidenfrost effect to, by simply putting his hand in molten metal. 😂😂😂
My pans marbles at 80c, anything over 140-150 it’s too much. Figure that one
Me after putting water drops on gas stove
claim your "here because of daily dose of internet" here
How many of your after watching "you have been warned show" from Discovery
when you already know about leidenfrost effect from aldnoah zero, and you just watch the video despite of that. Maybe it's just me...
Daniel Is that anime good?
Depends on your preference, if you're into anime that is rooted in reality with a protagonist that is leaning towards making the best of the current situation instead of having plot armor and/or deus ex machina out of a situation, then you'll enjoy the first season of it.
Daniel Only the first season?
Well, there is a second season, but it deviated way too much for my liking. Without spoiling the series, the second season has many deus ex machina moments with no regards to context from the previous season.
Aldnoah Zero is trash, how does the protagonist have no plot armor? He literally survives a bullet to the head. He has zero defining characteristics outside of being a gary stu and the writers made him silent because they forgot to give him a personality.
Thus is nothing more then frequency. As you should know, when you reach a certain point, it will create a force Field Effect At least from the outside Observer.
Hence!!!! ( you're not allowed to get in.) Now if you were on the inside it would just look like a standard wall.
Hence!!!! ( you're not allowed to get out.)
Frequency is the key...
Vim pelo Sérgio sacani
making a stir fry brought me here
I hear you, but I still don’t understand 🤔
Yeah not quite what happened at Chernobyl but interesting none the less
Who's here because of the pickle on hot steel video??😂
Nickel Ball
Generation after generation born from understanding the: biomechanical To:
biomolecular To:
bioelectrical To:
biodegradable!!!!!
Sad 😥
1:20 KONGRAJULASHON.
YU HAB ACHIEVE KOMEDY.
Im here because someone put Dorritos in liquid nitrogen with his bare hsnds. How about you?
Came here cause this happened to me
anybody learn this reading a batman comic?
Space Today...
99.9% are here becuz of that guy from daily dose of internet
0.01% is me that who needs to get interrogated from school who needs research
I was youtubing for "how to make Stainless Steel wok non-stick", then this video popped up
I'm here because of a pickle
Who else here because of the pickle…
1:23 Droids are robots. Jedi and Sith use the force.
I thought he said druid, it makes more sense than droid
Thanks. I should have checked the captions.
who asked
im here from a pickle
Is this written for teenage girls? OMG!
Here cause a pickle