Acid vs Lava- Testing Liquids That Melt Everything 

Mark Rober
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Most people I asked predicted the wrong winner here. Go check out the new CrunchLabs Roblox game where you can build rockets with your friends and fly to distant planets to defeat the evil Fat Tail! www.roblox.com/BuildaRocket
Here is where you can find the details on how to win a platinum ticket by beating the game- Crunchlabs.com/roblox
Ask for the CrunchLabs Build Box for Christmas and then let’s build some cool stuff together! Get the Holiday special two FREE boxes at www.crunchlabs.com/lava
Go check out the channels of my competitors and biased referees:
You should also go subscribe to the CrunchLabs RU-vid channel cause we’ve got some bangers in the pipeline- @CrunchLabs
Thanks to these folks for providing some of the music in the video:
Ponder - / @pondermusic
Laura Shigihara - @supershigi
Andrew Applepie - soundcloud.com/andrewapplepie
Blue Wednesday - soundcloud.com/bluewednesday
Footage Credit: @lavapix
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Science & Technology

Published on


Nov 17, 2023




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Comments : 11K   
@MarkRober 21 day ago
Most people I asked predicted the wrong winner here. Go check out the new CrunchLabs Roblox game where you can build rockets with your friends and learn stuff! www.roblox.com/BuildaRocket
@guesstehelo3405 21 day ago
can i win
am I cool
@lucasub360 21 day ago
I regret this comment, sorry
@Pizzashorts 21 day ago
I still can’t believe you can do all that to a diamond! I never would have guessed how tough they are..I’m still too scared to try it myself though 😅
@Epicly2 21 day ago
How is there not a comment here
@Loli.slayer 21 day ago
⁠@@Epicly2cause he posted it 2min ago😂😂
@TrulyWaffleman 21 day ago
nice comment lil bro
@Log4Jake 21 day ago
Your my favorite youtuber
@Koopaperson 14 days ago
William is 100% the type of person to enter a video unannounced and I legitimately couldn’t tell if he actually did until everyone else showed up
@Tconl 11 days ago
@mattr8128 10 days ago
He doxxed his way in
@davido5317 2 days ago
Him and Kevin are friends he probably just came with cause they were together anyways
@___idk Day ago
Now this is peak big kid content. Makes me feel like I'm back on the playground. Thanks for this, Mark.
@Goatman_Gamer 4 days ago
I was gonna say the same thing, lol.
@kingofplayer2 10 days ago
Honestly some of the best content on the platform when engineer RU-vidrs get together to do whatever shenanigans they feel like.
@MikeySkywalker 14 days ago
Two videos in a few days. What a treat! Thank you to Mark and to the whole entire team. I'm sure there are a lot of people who help make these happen. Happy Thanksgiving!
@Farzona-lj7os 3 days ago
❤❤❤ wow your back
@seanphillips2943 6 hours ago
Everything you do for the development of STEM in the next generation of kids gives me hope for the future. Keep it up Mark 👍
@MakersMuse 20 days ago
Used cars for sale - slightly acidified/melted/crushed but with GREAT history.
@HyperDevv 20 days ago
No comment, let’s fix that!
@ThisGuyDannyyy 20 days ago
First reply!
@malumy 20 days ago
"slightly crushed"
@SharkyTheGamerr 20 days ago
Hey MakersMuse you should do a video making at home retainers with 3D printer!
Way to go Mark! Thanks for managing our team so well!
@Arthur-ek7nd 5 days ago
For the ice blocks, you should have just put a single piece of pure silver on it. Silver conducts heat so well that it melts through ice like a hot knife through butter.
@chokichocat3083 4 days ago
I must try this. I have ice and silver
@No-pm4ss 3 days ago
The silver would cool down fairly quickly and not have enough thermal energy to melt any more ice
@Arthur-ek7nd 3 days ago
no it wouldn't, that is the point. It transfers the heat from the surrounding air into the ice, which is what melts it, the temperature of the silver itself has nothing to do with why it is melting. @@No-pm4ss
@Sparktan24 46 minutes ago
if that's the case, copper and aluminum have better thermal transfer.
What a line up for a video. Mark Rober is easily one of my favorite content creators. I love the editing style and music choice :)
@Seed 21 day ago
1:48 Mark’s hand wash detector is coming in handy!
@ThisGuyDannyyy 21 day ago
This video will be #1 on Trending
@MrDJ2005 21 day ago
@YummyYumiiz 21 day ago
7th wait I have a brain what am I doing?
@M_Miles 21 day ago
@Funeral_Potatoes 15 days ago
Any time these guys all get together, you know it's going to be massively entertaining!
@svenlundergard1 14 days ago
I love to see this genius get so excited about this stuff. Mark, you're incredibly gifted!!
@slavcabbage2619 9 days ago
I am glad to see William and Alan Pan in a video again. We all need some silliness at the helm sometimes o7 may you go far Will and oh Mark Rober too
@aehappylaughter 17 days ago
I knew that acid was really, really corrosive. What I wasn't expecting is how lava can be so strong and fascinating at the same time. Great video!
@freekarella3024 11 days ago
This episode was awesome. It kinda felt like a super nerdy and exceptionally smart version of Jacka$$. Perfect combo!
@mellow3995 21 day ago
Nigel used a weaker acid solution because he knew they'd be keeping the cars they'd destroyed at the end, truly a mad genius
As is expected 💪💪
@nuonchann5299 21 day ago
Aqua Regia is one of the strongest acids in the world buddy. Its hydrochloric acid + nitric acid....Crazy strong
@wall7103 21 day ago
That sucker has a long life ahead of it too
@nekomimicatears 21 day ago
​@@nuonchann5299aqua regia is not even close to being the strongest acid in the world "buddy".
@nuonchann5299 21 day ago
@@nekomimicatears Which is why I said ONE of the strongest
@user-wv2js7iw8u 17 days ago
I love the glitter bombs and other pranks, those are goated, but as a big fan of engineering/science YT this held a special place in my heart seeing all my favorite creators that I already watch collab together. Fantastic stuff guys.Used cars for sale - slightly acidified/melted/crushed but with GREAT history.
@PikkaBird 12 days ago
Sod off, bot.
@user-nc2jq6eq8g 17 days ago
he literally just invited all the safety third members together to destroy stuff. how fitting.
@Mia.852 11 days ago
This is straight up one of my favorite videos I’ve ever watched. It’s a crossover between a bunch of my favorite RU-vidrs just doing their things.
@DaveC2729 17 days ago
Learning about science can be fun in video games. So can using things you learned and then almost forgot. For example, I learned a few things about aerodynamics and balance when I was a kid trying to become a pilot, and then I made use of it all building space planes in Kerbal Space Program. PS for the diamond, you should've used an oxyfuel torch for your wildcard. Encasing it in lava sealed it off from oxygen, but diamonds will burn. You should've hit it with an oxidizing flame.
I've never actually seen acid at word before! And I'm amazed nobody got hurt. None of that looked safe. Great video 👍
@TysonJensen 6 hours ago
Nothing Nile Red does looks safe, but he's still alive and even has all his fingers. Sometimes he'll mention all the off-camera safety gear he has.
This is the kind of thing we dream about when we were kids, and Mark Rober is doing it IRL!
Nobody asked
​@@actuallyarbitrary4444ok bruh 😂
@catsup1308 21 day ago
Didn't expect to see you here
@Gregzenegair 21 day ago
Except he is screaming too much
@p-__ 21 day ago
My farts are better than Mark’s farts 💨
@Santiago_MX 17 days ago
this episode is really starting to feel like a TV show - especially the car segment. I like it.
@justin9202 13 days ago
So fun fact about the anvil mark was using. Thats a common one sold by harbor freight, they do not harden their anvil's work surface like most normal anvils would have. Therefore the diamond was actually harder than the soft steel. While diamond is harder than regular soft steel it would be much more of a challenge if they tried denting a hardened steel anvil
@FirefuryAmahira 10 days ago
Clearly they need to get in touch with one of the blacksmithing channels on RU-vid and test that diamond against a real anvil! 🤣 Or maybe a power hammer!
@justin9202 9 days ago
@Gandhi_Physique 2 days ago
Nah, I'm pretty confident a diamond would get stuck in a hardened anvil. I'm not sure if it could be done with a hammer, but the anvil isn't going to win.
@2012TheAndromeda 11 days ago
I thought Mark was gonna shatter the diamond at that certain angle! Drat! I was hoping he'd win that one! I believe a diamond can break more easily if excessive force is applied at an angle perpendicular to the alignment of the atoms inside it.. Or something like that... Overall, very fun video to watch!! Thank you!
@brettkalfas1242 13 days ago
More collabs with these guys please!! I love the energy!
@Baigle1 10 days ago
Hmm, using some concepts you could probably make a self-boring acid liquid that cyclicly deposits the material around the outside of the pool and circulates
@ryanking7331 21 day ago
Having Will, Nigel, and Kevin was great. Please continue to do stuff with them.
@p-__ 21 day ago
My farts are better than Mark’s farts 💨
@carrot6018 21 day ago
I’m stuff.
@teslacactus1135 21 day ago
@@teslacactus1135 ii love gd cologne
@user-jb7xb1ub1g 13 days ago
Should have let William get in on this more. He’s the only one with the courage to commit to a task at the expense of his own health.
@themelonking9006 12 days ago
Its nice to see NileRed do what he does best. Great collab!!
@MrFishBlood 10 days ago
Way to give yourself a HUGE advantage Mark! You're not stuck with acid or lava as your only tool of destruction, you get to tailor your method to your target.
@Pureignition58 16 hours ago
7:05 This is why it's labeled as a corrosive it has the same reaction with the water in your skin and blood, breaking their molecular structure down to its baser components. My grandfather used muriatic acid to get rid of oil stains in the driveway back in the late 70's.
@tuhp5237 11 days ago
11:25 I don’t get why Nile didn’t choose the wood bat since wood has a buncha carbon acid would’ve eaten through it pretty easily (compared to metal at least)
@Pizzashorts 21 day ago
You know the video is going to be crazy when Mark decides to collab with Nilered and Kevin.
@fieldmarshalcat 21 day ago
Second best collab
@fieldmarshalcat 21 day ago
Nilered:science Mark rober: engineering Kevin: both
@dragonman1265 21 day ago
They were all on the safety third podcast too if you want to see more of them together
@Xiao_ling1 21 day ago
@Hellimatrix 6 days ago
For the diamond if you had used a real steel anvil it would have shattered but that's a Harbor Freight anvil and they're made of cast iron which is far too soft for pretty much anything you'd normally need an anvil for.
Thing is a flame would be more effective than lava with the diamond. But the fact that lava didn’t just burn it, since its made of carbon, still surprised me
@cockatoo010 5 days ago
You need a lot of oxygen in order to burn diamond Nigel had to do it under pure oxygen for his diamond-carbonated water video
My kids are huge fans, and they were curious who manufactured the crucibles used in this video as my husband works for a major crucible manufacturer. Thank you!
@xp_pk 17 days ago
8:35 Acetone would've been much more interesting since plastic toys are made of ABS, but it's technically not an acid, so I'm guessing that's why sulfuric acid was used instead.
I'm surprised the diamond survived the lava. I remember watching Nigel vaporize some with heat.
@M_Miles 21 day ago
The fact that mark can just get his hands on Lava and acid to the amount he can cover a car is crazy
@ThisGuyDannyyy 21 day ago
This video will be #1 on Trending
@M_Miles 21 day ago
@@ThisGuyDannyyy I hope it will!
@Plushworldw223 21 day ago
Ya dude could probably get a vat of poison edit : omg thanks for 74 likes
@RADIUM._. 21 day ago
@rainyee-pc5lf 21 day ago
@Spiritwalking 12 days ago
What if you used the acid to deal with EV fires? Like a contained payload that could put out fires in electric cars and is introduced in a way that is safe since electric fires can take anywhere from days to weeks to be put out, have the acid dissolve the sources
@TiagoTiagoT 14 days ago
I'm surprised you guys were just standing around with little protection when something with a lithium-based battery was getting destroyed in a glass of strong acid...
@rcengineer 7 days ago
ok but I wanna know what acids were used for each round, not just the last. Also, if any acidic solution is allowed, you could use piranha solution which would absolutely demolish anything organic.
@wolfywox 17 days ago
Great way to show why tools that are used for heavy duty cutting are diamond tipped. 😄
@ThisScaryGuy 9 days ago
For the car, i believe what happened is the lava pierced into the injection system, and by the look its a diesel, highly flammable fuel, so of course fire extinguishers were useless, sand would've probably done it
@1Poseidon3 21 day ago
The addition of Will, Kevin, and Nigel was awesome. Please bring them on more often.
@sameerislam1328 21 day ago
nigel is my fav science youtuber
@user-ro7yg6qg9o 21 day ago
Kevin literally risked his arrest record for science gotta love the guy
@ryanking7331 21 day ago
@Crazyclay78YT 21 day ago
you know theyre real scientists once they get contacted by the government lmfao
@DJBillyQ 21 day ago
Easily one of the best collabs I've seen on this channel. The Science Boys™ are a total force of chaos and watching them collaborate with Mark (and his outrageous budget per video lol) was AMAZING. More collabs with these folks, please! (Also William Osman as the "unexpected" referee was hilarious and fantastic)
@lanereed 17 days ago
Acid was needed in the bay round. Organic matter like wood is a way better option for acid to dissolve
@Jackson031 10 days ago
@MarkRober muito bom seus vídeos cada dia com novas inovações
@devonm042690 5 days ago
That Steamroller fail would be a perfect anticlimax villain plan flop in a Toy Story-esque movie. Like just have this dramatic terror/peril-invoking music as the mechanical monstrosity looms over the helpless toys, inching steadily closer to crushing them, and then...someone notices that it's taking an awfully long time for them to meet their doom. Cue the bunch of them looking over at it, and then suddenly end the music into silence accompanying a cut to a side angle shot of the whole thing rolling but not going anywhere because it's stuck.
@thefitprk3 10 days ago
Hey Mark when demolishing cars like in this video you should consider draining all the fluids first. Just so you’re not pouring oils, fuel and coolant into the ground
@BJKS82 3 hours ago
Agree this whole video looks like an environmental disaster
Honestly it would be cool to see Nigel, Mark, and Kevin as superheroes relating to their use of destruction in this video.
@aishiixo 2 days ago
I think they'd more likely be villains lol
@@aishiixo Yea makes more sense lmao
@jbsgroup96 21 day ago
I think william osman showing up despite the fact that he wasn't invited is one of the most in-character things i've seen from him
@p-__ 21 day ago
My farts are better than Mark’s farts 💨
@mattmartin7028 21 day ago
So true lmao classic william
@dziubo1 21 day ago
Showing up uninvited... how can you even blieve that?
@DoABarrelRol1l 21 day ago
honestly if it wasn't for the filming at Crunch Labs I would have guessed this was William Osman's second channel content. Surprised he didn't bring his own excavator.
@mattmartin7028 21 day ago
@@dziubo1 we all know it was just a joke but it’s still funny
After watching the ice part, I think it's safe to say that Mark is a pyromaniac (he really likes fire).
@ReaperX496 7 days ago
You just know he’s gonna do a science monologue when that one song comes on and I’m always excited when it does
@SAmaryllis 16 days ago
The Roblox world looks wonderful! I'm glad it's going to give more kids and curious minds a chance to interact with science in a fun way
@wuyterio 11 days ago
the fact that william just showed up uninvited is so amazing and the most william thing william could do
@petersmythe6462 21 day ago
Honestly to even the odds Nigel should have been allowed to use any non-metallic, non-high explosive chemistry he wanted.
@tylerduncan5908 21 day ago
It would have been way too easy. Acetone for the Legos. Gallium for the bat. CO₂ tablets for the car to starve the oxygen.
@Berm_Blaster 21 day ago
Power tools to disassemble it
@brunomelo2673 21 day ago
Im pretty sure nigel could come up with something capable of dissolving pretty much everything if he can change in between rounds
@@tylerduncan5908 Galium would take too long, so he would still not win for that one.
@wasp66 8 days ago
I noticed that the acid generally did better against organics and the lava did better against metals and the wildcard was, well... a wildcard
@wiccabessa432 13 days ago
I watch all 3 youtuber guys but they definitely nerfed Nigel so it could be a contest... there is no way a guy like him would choose metal over wood when he knows he is working with an acid.
@daddywaffle9604 13 days ago
im happy to see William having fun hes like the mothers home cooking of create channels
@GruppeSechs 2 days ago
What I've learned is that if you're ever in a volcano eruption, just wear armor made out of turkey legs or ice.
@user-qo1gy9wd9h 21 day ago
I'll admit, I was rooting for Nigel as I'm a huge NileRed fan, but everyone did awesome, and Kevin did the most satsifying destruction.
@cosmosyn2514 21 day ago
considering that his car was the only one still able to be driven back with after it was over did he really loose in the end?
@@cosmosyn2514 imagine it finally gives out in the middle of nowhere
@cosmosyn2514 21 day ago
@@thaumargaming3646 better than walking the whole distance lol
@@cosmosyn2514 well I mean he still had acid in his engine which can’t be amazing for the car
why didnt he use Pirana Solution??
@in3d 13 days ago
I really appreciate your videos! My kids and I love learning from your stuff!
@larrygerald432 17 days ago
Funnily enough Mark, your hammer could’ve easily broken that diamond. ActionLab broke a diamond by smashing a diamond with its point up so that’s why yours didn’t break 😁
Gracias por explicar también el lado científico de las cosas:')))
@i_am_hunk 12 days ago
Mark is a low-key mad scientist ngl
@mrfloaty7253 3 days ago
mark not using a water pressurizer is a big missed opportunity
@LogicalNiko 21 day ago
The damage done also depends greatly on the lava you use. Silicate lava (the melted "lava rock") is generally the coolest ranging from 800C-900C. Whereas Ultramafic lava can be almost twice as hot, ranging from 1600C-2000C (hot enough to melt steel and vaporize a lot of materials). In addition fluoroantimonic acid, Carborane acid, or Magic acid would be much more effective.
@DumbOrangeFrog 21 day ago
@annfarmer9704 21 day ago
the fluoro acid is TERRIFYING!!! there is no oopses allowed. that one needs an episode all to itself.
@Hydra10130 21 day ago
@@DumbOrangeFrogit’s a science channel deal with it
That and he only used orange juice amounts of it, instead of the cubic yards of it found in nature. Go Team Lava!
​@@DumbOrangeFrogyou're in the comment section of a science RU-vid video 🤦🏾‍♀️
@someguy5003 15 days ago
I'd watch a top gear episode with these four.
@CumMomentGamer 15 days ago
in the part with baseball bats, i would be dying from laughter when Mark would just casually pull out an industrial woodchipper
@ErzoExe 9 days ago
Bro I don't live in the USA, but one day I found your channel looking for something to entertain me but there really is no video that I don't enjoy, and although I'm not a kid anymore, I really admire everything you do to teach the new generations a more fun way to see science, I really admire you, you are amazing thanks for entertaining me with fun and educational science!!!!
@kevannpankhurst 15 days ago
The excavator made me realize… Mark is just David Dobrick with common sense and empathy.
@WilAdams 6 days ago
I am glad that Mark did this video because ever since Jurassic World--Fallen Kingdom came out, I have complained that the scenes in that film that involved lava were not even close to reality. For example, when Owen is trying to roll over the log, you clearly see his hand flip the lave up. Next he is enveloped in a Pyroclastic flow and suffered no damage at all. Finally, when the dino was attack Clair and that blek dude who was a humiliation to men everywhere with all of his damsel in distress screaming and whining, the dino was hit in the head by falling lumps of lava and it did not effect him other than something like a mild shock. Watching the turkey leg the reaction was what we should have seen.
Im so happy nile red has now been recognised by a larger youtuber and getting to collab with mark. A guy who likes physics vs a guy who loves chemistry
@p-__ 21 day ago
My farts are better than Mark’s farts 💨
@Heggchandwich 21 day ago
@@p-__ are you trying to poke fun at bots who post these type of comments?
​@@Heggchandwichthat a bot
Yes Nile red is cool
@von... 21 day ago
id argue that nile is the larger youtuber. mark is a bigger 'default front page youtuber', but nile is a titan of the actual science yt community.
@gobbel2000 12 days ago
Very fun video, glad you got the Safety Third crew on.
@Ally112083 15 days ago
Here for Nile Red 👏🏽👏🏽👏🏽 Love Nigel’s channel!!
13:57 who could have guessed that Mark was a pro rally driver in another life? No but really, that looks a lot like a moment from Vilbrequin lol.
@PeterBevington 14 days ago
Question about Lava : I understood this to be molten rock of some type, but I didn't hear what the lava was made of during the video.
@F0NZ13 17 hours ago
Mark is just doing what his child self always wanted to do
@TaeWilson-2002 19 days ago
I love how mark genuinely loves to work with all these other RU-vidrs without any kind of competitive attitude towards anyone and supporting everyone while doing so
@LinkZeeGee 18 days ago
Only on screen
@gmk3845 18 days ago
Joined two months ago seems like someone comments it for him
@Zubir-tr3id 17 days ago
@chadlipscomb 17 days ago
@@LinkZeeGeedefinitely not only on screen. They’ve all had a relationship for at least a year or two.
@LinkZeeGee 17 days ago
@@chadlipscomb It's a joke my boy
@gamer_life9091 15 days ago
I freaking love these collabs!
@Spadeess 16 days ago
Maybe matpat can make a food theory on thespice level of the sauce he uses compared to lava.
@ecksdeeeXD 10 days ago
This feels way less like a Mark Rober vid and more like, Safety Third goods around and I love it.
@OneLove__ 17 days ago
I think we are seeing more from the MrBeast style of videos 😊 GJ Mark! ❤
@user-dx6ny5iz1o 5 days ago
Everyone has been made for some particular work, and the desire for that work has been put in every heart.
@fusyoduh9721 21 day ago
William better be in the next competition, he's literally the definition of a wildcard
@p-__ 21 day ago
My farts are better than Mark’s farts 💨
@seraf8297 21 day ago
"For today's 'make a dessert challenge', Kevin is baking a pie with the power of refracted sunlight, Nile is chemically leavening, and using exothermic reactions to bake a cake, and I think Will is trying to... scream... a s'more into melting?" *cut to the finale of the video, the camera focused on a vacuum chamber with speakers inside* "so we didn't expect that to work as well as it did"
@magnusbjarni 21 day ago
I'd like to see Styropyro, he is a true wildcard
@Chasls 21 day ago
He’s OP.
@djdrayracing 21 day ago
Not the hand wash alarm going off though lol
@blocmanbro7204 14 days ago
Thank you Mark for translating into Russian and other languages
@alaingamache3908 14 days ago
I’m genuinely inspired as a teacher. Thank you.
@flopsuma 11 days ago
He really underestimated how powerful diamonds are. I though it's common knowledge that they are very hard to break.
@SShiJie 13 days ago
I love how Kevin took off his glasses at the intro, only to have infinite glasses to look cool.
@maxliu8754 10 days ago
As a person who watches nilered, this video was absolutely amazing
@JustOasisGone 21 day ago
Seeing Mark Rober, NileRed, Kevin, and William in the same video is a dream come true 😁
The greatest dream of all time.
@mr_pigman1013 21 day ago
the science team
@CheeseMiser 21 day ago
Yay. Willy Oz
@yee34152 21 day ago
You can’t forget Allen Pan
They are also all on a recent Safety First podcast video, discussing this video...
@mccheezer9964 13 days ago
They should’ve used the same engines, all engines are different (usually)
@anubhab070 15 days ago
Mark is slowly turning into a mad scientist. 🗿
These three together in one afternoon could go to Mars. They’re basically the avengers of RU-vid.
@jaheimjames5560 9 days ago
These guys are the Top Gear of Sciences
@roybuscht.9997 18 days ago
What a thrill ride this video has been, Mark! The breakdown of the experiments was fascinating and your humor really added to the experience. A very innovative and exciting way of presenting science! Looking forward to the next showdown at CrunchLabs. 👌🚀🔬
@DeZenter 17 days ago
1.4K Likes and no replies? Let me fix that.
@alihaq2311 17 days ago
Ight bro don’t glaze
@Dhjfpdoeodjjf 17 days ago
Quit yapping lil bro
@zeketaylor2631 17 days ago
He’s not gonna let you hit bro
@jbb6384 17 days ago
Bro doing tricks on it
@stalebiscuits07 11 hours ago
this is great info! how much would someone need for a chicken that's roughly 180 lbs
Egg Drop From Space
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