Don't Put Wet Rocks In A Campfire

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  • Опубликовано: 8 фев 2025
  • Join the science discord! / discord Ever heard of rocks exploding in a campfire? Can it really happen, and how dangerous is it? What happens if you spill molten metal on concrete? Today we will look at how and why concrete and rocks spall during a fire.
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Комментарии • 8 тыс.

  • @TheBackyardScientist
    @TheBackyardScientist  5 лет назад +1693

    Have you ever had a rock explode in the fire? Story time - comment below!
    Don't forget to 👍👍👍 the video, it really helps! and it makes me feel happy 😄
    Instagram - instagram.com/backyardscientistlofficial/
    Twitter - twitter.com/ChemicalKevy
    Facebook - facebook.com/TheBackyardScientistOfficial/

    • @Eray2007
      @Eray2007 5 лет назад +64

      No but your channel is amazing keep it up! 🤸‍♂️

    • @kaneyt0
      @kaneyt0 5 лет назад +110

      TheBackyardScientist Kevin, please respond to me! I’ve been with your channel since 200 subscribers!

    • @chumby6556
      @chumby6556 5 лет назад +22

      Kevin I love you channel I live in Florida to and love your expieriments

    • @Marcel204_
      @Marcel204_ 5 лет назад +51

      2020 be like : rocks can explode now

    • @Eray2007
      @Eray2007 5 лет назад +143

      @@kaneyt0 it says you joined RUclips 3 years ago...

  • @Crow.Author
    @Crow.Author 4 года назад +6471

    You’re really adding value to the house, by the time you move someone with be able to set up an aluminium mine.

  • @MrSmith-ty4bg
    @MrSmith-ty4bg 5 лет назад +1552

    You know, as a kid, my grandpa always told me “never use river rocks for a camp fire, you might just lose an eye.” I never really understood why, but it all makes sense now.

    • @terrafirma5327
      @terrafirma5327 5 лет назад +47

      Yup. If the water turns to steam (mainly in sedimentary rocks) they can explode quite violently. A simple temperature differential won't cause an explosion, that merely cracks it. So you need porosity.

    • @spinneborstel
      @spinneborstel 5 лет назад +10

      yah...it's not funny when the splinters start shooting around the fire lol :D

    • @testicle-sama7501
      @testicle-sama7501 5 лет назад +3

      Did you lose an eye before learning

    • @SilverScaleMA
      @SilverScaleMA 5 лет назад +6

      Flint is really bad at splintering, like tiny little arrow heads...

    • @kaneyt0
      @kaneyt0 5 лет назад

      Mr. Smith 420th like.

  • @aidangeist3106
    @aidangeist3106 5 лет назад +10484

    "Florida man turns concrete into a frag grenade in his backyard"

    • @aizazrehman5153
      @aizazrehman5153 5 лет назад +46

      @@mizorogitsumugich9723 more like floristians lol

    • @gustinoXYZ
      @gustinoXYZ 5 лет назад +53

      No! its "Landmine"

    • @rvr-garage
      @rvr-garage 5 лет назад +12

      420th like

    • @cozmo4452
      @cozmo4452 5 лет назад +7

      So true

    • @michaelpalacio5
      @michaelpalacio5 5 лет назад +45

      “Local man creates shaped explosive charge out of concrete and molten aluminum”

  • @VerdantTrash
    @VerdantTrash Год назад +60

    Here in Wales, the ground is wet almost all year round, especially in wooded areas. Once when I was out camping with friends, we had a rather large rock explode into 3 pieces, which actually sent some embers at us. we later found a hole in a camping chair that was nearer the fire, and we could only guess is was a rock shard.

    • @pcblah
      @pcblah Год назад +5

      After a few friends threw live ammunition into a campfire, we discovered most of our camp chair holes were from burning embers rather than shrapnel.

    • @VerdantTrash
      @VerdantTrash Год назад +4

      @@pcblah Yeah, that was our first thought but it was more torn than burnt.

    • @Arctic_1975
      @Arctic_1975 9 месяцев назад

      My first thought is it's not a rock per se it was probably a geode they have liquid inside sometimes if not fully formed those would most likely explode.

    • @Mcally695
      @Mcally695 7 месяцев назад

      @@VerdantTrash wow

  • @ChrisG1392
    @ChrisG1392 5 лет назад +926

    "after about 8 minutes of the rocks cooking in the fire we got our first crack rock" - Florida Man

    • @Zooted32
      @Zooted32 5 лет назад +7

      😂😂😂👌

    • @armouredraptor9610
      @armouredraptor9610 4 года назад +3

      Chris G. C R A C *sniff*

    • @CutoffFern
      @CutoffFern 4 года назад +3

      I get it now

    • @lameplayr
      @lameplayr 4 года назад +2

      *e e t*

    • @herbsmanherbs
      @herbsmanherbs 3 года назад +1

      Don't say 'crack', Jez, please. Not now. Because when you say 'crack', it makes me think of crack, and... I really love crack. So can you not say 'crack' ?

  • @MadeFromPixels
    @MadeFromPixels 5 лет назад +542

    I'm starting to think you should invest in a blast shield.

  • @ericmiltner3604
    @ericmiltner3604 4 года назад +728

    Imagine having to cut this dude's grass and hitting concrete and metal everywhere.

  • @RealBelisariusCawl
    @RealBelisariusCawl 2 года назад +19

    I’ve had more danger from bits of exploding log going everywhere than bits of rock, but I live in the Southwest so wet rocks aren’t super easy to come by; bits of dry brush that are waiting for a stray spark, however, are every five feet.

  • @brianartillery
    @brianartillery 5 лет назад +920

    How about, for a laugh, making concrete with a good amount of Thermite mixed into it? The 'best' exploding rock, is Flint, by the way, with the added joy of when it explodes, it throws out glass-like shards of hot stone.
    If you really want an injury, heat stones to red hot - then chuck water, as cold as you can get it on them. Then call the hospital.

    • @mr.x8259
      @mr.x8259 5 лет назад +25

      Or gunpowder.

    • @aniu420
      @aniu420 5 лет назад +8

      Thanks for the advice :)

    • @redsquirrelftw
      @redsquirrelftw 5 лет назад +33

      Actually another fun thing to try might be to put a bunch of rebar in the middle and then wrap a loop of electrical wiring (or just more rebar) with two ends sticking out. Apply a high frequency high current to it to heat up the rebar from the inside. Wonder if the expansion would make it explode.

    • @thomasbrushweed8347
      @thomasbrushweed8347 5 лет назад +14

      Better yet, mix in obsidian.
      It is the sharpest material on earth and fun to make stabby instruments with.

    • @xenonram
      @xenonram 5 лет назад +27

      Thermite would not do anything mixed into concrete. You could never get it to react.

  • @icarlyIV
    @icarlyIV 4 года назад +829

    Visitor: *Screams* Was that a gunshot!?
    Guy who lives nextdoor: No thats just that one dude burning his yard again.

  • @zoeygraceg
    @zoeygraceg 4 года назад +401

    At boyscout camp, we had a rock blow up. Sitting around the fire listening to scout master Jim tell stories a rock blew up. Scared me alot, so i slept in Jims tent. Long story short, im getting a settlement of $50k

    • @johnrollex680
      @johnrollex680 4 года назад +48

      That got dark fast man.

    • @stacyswiss307
      @stacyswiss307 4 года назад +4

      Damn dude 😂

    • @PlayboyJester
      @PlayboyJester 4 года назад +22

      They had us in the first half, not gonna lie

    • @michaelreed1241
      @michaelreed1241 4 года назад

      😂😂 too soon bro

    • @Mr-Ad-196
      @Mr-Ad-196 4 года назад +4

      Wait what the frick happened in that tent?

  • @kid_missive
    @kid_missive 2 года назад +54

    Yes. Had a campfire rock go bang next to a fire. It was on the West Coast Trail in British Columbia, and our fire was right next to the ocean where we were camped, and with a very large boulder. It was kind of scary. Then we threw our magnesium bars into the fire, which lit up the whole cove we were camped in. It was a memorable night for a kid. The end.

    • @OakleyDokaly
      @OakleyDokaly Год назад +4

      where the hell did you find a magnesium bar in a cove

    • @avokka
      @avokka 11 месяцев назад +5

      from the magnesium bush duh @@OakleyDokaly

    • @joebraa
      @joebraa 8 месяцев назад

      @@OakleyDokaly My guess they got them from thier firesteels

  • @lizgilbes6200
    @lizgilbes6200 5 лет назад +1106

    Thebackyardscientist: can rocks explode
    Me, an intellectual: pOp rOckS

  • @Brandonscode
    @Brandonscode 5 лет назад +393

    Iv had a “dry” rock pop and fly 40 feet and smash a windscreen. Wasn’t a fun ride back from camp.

    • @summergallagher3893
      @summergallagher3893 5 лет назад +6

      I had a rock in a fire pop, it hit my thumb and I almost instantly got a second-degree burn.

    • @wireknight
      @wireknight 5 лет назад +3

      @@summergallagher3893 why second degree burn and not a third or one degree burn

    • @Synikoss
      @Synikoss 5 лет назад +16

      @@wireknight First-degree burns are considered mild compared to other burns. They result in pain and reddening of the epidermis (outer layer of the skin).
      Second-degree burns (partial thickness burns) affect the epidermis and the dermis (lower layer of skin). They cause pain, redness, swelling, and blistering.
      Third-degree burns (full thickness burns) go through the dermis and affect deeper tissues. They result in white or blackened, charred skin that may be numb.

    • @JackyDacky
      @JackyDacky 5 лет назад +5

      Wire ”Why did u get a blister But not a black bone hand

    • @faisalbakes5880
      @faisalbakes5880 5 лет назад +1

      Whaaaat

  • @shrimppretzel4671
    @shrimppretzel4671 3 года назад +779

    when camping, me, my brother, and my cousin would take river rocks and put them in the direct center of the campfire with all the coals, and then take them out with tongs and dunk them in a red solo cup full of water. it's a miracle we aren't dead

    • @kraken3793
      @kraken3793 3 года назад +6

      Why?

    • @shrimppretzel4671
      @shrimppretzel4671 3 года назад +99

      @@kraken3793 to see if they'd explode lol

    • @conman1395
      @conman1395 3 года назад +30

      Except all you did was heat them up and then put them in water to cool them down...

    • @alexplaysminc.-.5922
      @alexplaysminc.-.5922 3 года назад +52

      You are one reverse step away from possibly rock grenades lmao

    • @Emrirwastaken
      @Emrirwastaken 3 года назад +7

      they dont really explode, but they kinda crack or dissolve in the water from my experience

  • @tpp4007
    @tpp4007 Год назад +3

    At 2:31, that dog said, “nope, I’m not having none of that. What is this human doing now?”

  • @lostinthewoods3662
    @lostinthewoods3662 4 года назад +160

    Could you imagine living with this guy, you’d be asleep at 7 o’clock in the morning and then all the sudden you hear a bang and then other bang and then there is aluminum shrapnel flying at your window

    • @Shadow-sq2yj
      @Shadow-sq2yj 3 года назад +4

      Take cover!

    • @lostinthewoods3662
      @lostinthewoods3662 3 года назад

      Lol

    • @ecanlas4932
      @ecanlas4932 3 года назад

      Shrapne- *screams of pain intensifies*

    • @relentless_shotgun8207
      @relentless_shotgun8207 3 года назад +1

      "how did you die?"
      "well, i took a shot for my beloved wife and saved her life"
      "i died in a plane crash, i didn't even get to finish my last wishes"
      "and what about you?"
      "i got hit by a concrete grenade"

    • @v1ntge55
      @v1ntge55 3 года назад

      XD

  • @mybrother1350
    @mybrother1350 5 лет назад +572

    1:55 “After about 8 minutes of our rocks cooking in the fire we have our first crack rock”

  • @smw8471
    @smw8471 4 года назад +436

    You know it's dangerous when the Backyard Scientist is hiding behind a tree.

    • @smw8471
      @smw8471 4 года назад +13

      @waffeltek 2016 called. It wants 70% of it's vocabulary back.

    • @ethanbecerra8708
      @ethanbecerra8708 4 года назад +1

      hoodamask lol

    • @JixNull
      @JixNull 4 года назад

      Dog total safe

  • @bokane1963
    @bokane1963 Год назад +8

    I live near a stony beach and have definitely witnessed rocks popping in fires. Slightly off topic whilst remaining somewhat on topic though the story that haunts me most was a friend telling me about a guy he knew that decided to cook an unopened tin of sardines on a bonfire which exploded red hot shrapnel into his eye. I had to mention this as it's all I could think about during this video

    • @off-gridoutbackaustralia
      @off-gridoutbackaustralia Год назад +2

      I've also seen a tin of baked beans explode in a fire always open the can first lol

  • @bobthebuilder1360
    @bobthebuilder1360 4 года назад +542

    "We got our first crack rock"
    ahhh yes the local Florida man with his rocks

  • @edensolomon23
    @edensolomon23 5 лет назад +278

    Surprised you didn’t add the “welcome to another episode of don’t try this at home,” at the starting lol

  • @Lovely_0190
    @Lovely_0190 5 лет назад +305

    Grandpa : **Camping with his son in the jungle**
    Campfire rocks : **Explode**
    Grandpa : **I Ain't no fortunate son**

    • @garethbaus5471
      @garethbaus5471 5 лет назад +5

      I get the reference you were trying to make, but you didn't quite set up the scenario well enough for it to be a good joke.

    • @missingno2401
      @missingno2401 5 лет назад +8

      grandpa: *theyre here*

    • @commienaut
      @commienaut 4 года назад

      Clicc Clacc it’s fortunate one

  • @tymz-r-achangin
    @tymz-r-achangin 2 года назад +33

    Absolutely. Ask my friend who used sand stone to put around the fire and his wife ended up going to the emergency room to get the grit removed from her eyes and several stitches on her arm.

  • @thaatsriight
    @thaatsriight 4 года назад +1043

    “And remember folks... safety third!”

  • @michealscott9279
    @michealscott9279 4 года назад +333

    One time I was sitting at a fire that was sitting on concrete about an hour later the ground under it exploded and before seeing this video I did not know why but now there is a big crater in my friends drive way

    • @Silver5kull
      @Silver5kull 4 года назад +4

      how wide and how deep

    • @michealscott9279
      @michealscott9279 4 года назад +2

      James Sisco not to deep but at least 2 feet wide

    • @corruptedcalculator703
      @corruptedcalculator703 4 года назад +1

      How many people experienced it?

    • @Ayden488
      @Ayden488 4 года назад +3

      Why would you have a fire on a driveway?

    • @michealscott9279
      @michealscott9279 4 года назад +7

      @@Ayden488 well we’re else are u supposed to put it in a fire place

  • @christianking9356
    @christianking9356 3 года назад +458

    Can you imagine late night scary stories by the camp fire and there’s a f***ing mini explosion?

    • @williamlastname
      @williamlastname 3 года назад +19

      "and the killer killed a man and stole his gun. he hides in the woods an- BANG BANG BANG

    • @rustyrecoil2719
      @rustyrecoil2719 3 года назад +6

      "and the killer roa-" -bang- "roams vietnam style i suppose"

    • @emm_arr
      @emm_arr 3 года назад +1

      I had late night chat around a campfire when a rick split. We all started! Pretty loud!

    • @killman369547
      @killman369547 3 года назад +1

      And that's why you use dry rocks to make your campfire perimeter. How do you know if a rock is dry on the inside? You don't really but it's a good bet that rocks that have been under the sun all day are probably dry inside.

    • @Andre_Thomasson
      @Andre_Thomasson 3 года назад

      mrballen has a story about a campfire on an old bomb that exploded seriously injuring a group

  • @rustyroyden5548
    @rustyroyden5548 2 года назад +7

    have observed this phenomena up close and personal many times. porous sedimentary rocks and layered metamorphic rocks are quite prone to cracking and spalling sometimes quite violently. The fragments never reach a dangerous velocity but getting hit in the eye could be serious. Such rocks that have spent a lot of time submerged in water can be VERY violent with much larger cracking and spalling events. The real danger is the fire itself being ejected from the firepit onto the people near it and into flammable vegetation or materials nearby. On a couple of occasions I have had the entire contents of a firepit ejected by large spalls off of rocks buried in sand below a firepit.

  • @toastybread8100
    @toastybread8100 5 лет назад +1948

    Me : **bullies the science nerd**
    The science nerd: **pulls out rocks and a blowtorch**

  • @MattH-wg7ou
    @MattH-wg7ou 4 года назад +116

    "Concrete and rebar have about the same expansion rate" yep, which is one of the reasons they're used together.

  • @nfg_fpv
    @nfg_fpv 5 лет назад +127

    When I was younger with a few mates we had a bonfire on a concrete pad and the concrete started popping and throwing little bits of concrete everywhere even chipping a car window

    • @imaginewagon8177
      @imaginewagon8177 5 лет назад +3

      no one cares

    • @ceke
      @ceke 5 лет назад +2

      Imagine Wagon 55 people do..

    • @soverxigniv8850
      @soverxigniv8850 5 лет назад +2

      Imagine Wagon 82 people do..

    • @oof2218
      @oof2218 5 лет назад +1

      @@imaginewagon8177 stfu

  • @Funfactsyoudidntknow1
    @Funfactsyoudidntknow1 Месяц назад +1

    I always have a little pebbles in my campfire because when I was little, I used to put pebbles in it, so when I use the campfire, I would hear exploding and sparks. My mom said it was the acorns, but now I know.

  • @geyotepilkington2892
    @geyotepilkington2892 5 лет назад +461

    I feel bad for whoever metal detects your "old homestead" in 100-200 years

  • @TheJackHoustonShow
    @TheJackHoustonShow 5 лет назад +151

    We had “smart” friend put river rocks below our campfire to create a platform (even though we told him not to). Let me emphasize that these were RIVER rocks, as in taken directly out of a river that they were probably in for thousands of years. The rest of the night was spent avoiding shrapnel that was flying 20-30 feet away.

  • @surprisedchar2458
    @surprisedchar2458 4 года назад +198

    Thing: exists
    Backyard Scientist: “Better pour molten aluminum on that.”

  • @LivingTheDream21
    @LivingTheDream21 2 года назад +10

    I'd be interested in reading the description when you sell your house, and what you'll put down in the disclosure 😀
    Great house 4 bed 3 bath, tons of space, may or may not find various metals and glasses from explosions. Swimming pool had lava dropped into it, and the other normal backyard scientist stuff.

  • @brashair7652
    @brashair7652 3 года назад +664

    NEVER pour a concrete floor in a fire pit! I mistakenly did, and even though I put in a drain pipe for draining off rainwater, I hadn't considered all the sand underneath the concrete that was still able to absorb ground-water that was naturally there. Weeks later I started my first campfire in it, and it was quite large being as it was a 4 foot wide fire-pit. About 30 minutes later there was a horrendous KABOOM and flaming firewood and chunks of concrete shot up out of the pit at least 30 feet in the air! Luckily no one was sitting around the fire pit at that moment, but it scared the sh*t out of all of us there.

    • @MrTmpr2050
      @MrTmpr2050 3 года назад +3

      Was it fully cured?

    • @Scotty-vs4lf
      @Scotty-vs4lf 2 года назад +21

      @@MrTmpr2050 he said it was weeks later so probably, but i know nothing about concrete

    • @gregrohsful
      @gregrohsful 2 года назад +1

      Any cement that you build a fire on will explode. Its well documented and would have been easy to look up.
      They make specific mixes for contact with fire. Its stored right next to the cement you bought.

    • @c0nct3d
      @c0nct3d 2 года назад +6

      A similar story happend to me, I once put a piece of concrete drain pipe in a fire, and a few hours later it exploded and a piece of croncrete hit one of my friend right below the eye, quite scary.

    • @deskmat9874
      @deskmat9874 2 года назад +5

      Assasination

  • @fireandcopper
    @fireandcopper 5 лет назад +156

    Actually back at away camp when a friend and I were like 13 we put river stones in a fire and shrapnel would sting your face

  • @SilverScaleMA
    @SilverScaleMA 5 лет назад +79

    I have had rocks explode on me before, the most dangerous was a flint rock that had been in a river. It became shrapnel and and at least three of the tiny shards hit me in the face and gave me tiny cauterized cuts where they hit. Took forever for them to heal and I had scars that took several years to fade. I did a bit more research and found out that both flint and slate are notorious for exploding into shards. It is mostly because of the way they layer and makes it easy for moisture to be trapped inside and expand in all the layers. It is far more dangerous with them if they are saturated though as I learned the hard way...

    • @SilverScaleMA
      @SilverScaleMA 5 лет назад +2

      @Kody Choates you get hit in the face by the equivalent of scalding hot peices of glass half the size of your fingernail and moving at a very high velocity. If one had hit me in the eye rather than on the cheek and forehead I very well could have been blinded by it. I actually didn't cry when it happened and really didn't realize just how bad it was because they didn't bleed and I had no mirror. But I had rather obvious red welts that surrounded the actual burnt and cut skin for several weeks and the cuts themselves itched forever while they healed. They didn't even really hurt until several days later. I had also got hit in the arm too by a larger peice that did bleed and hurt quite a bit but I just put a bandaid on it and that was it. Didn't even know I had the others till I got home and looked in the bathroom mirror.

    • @kibukun
      @kibukun 5 лет назад

      Anf this is where he earned the name, Captain Flint.

    • @jblitty4320
      @jblitty4320 5 лет назад

      one time i was cooking chicken on a flat rock (possibly slate) in a camp fire and me and my friend were starting at it as we were a foot a way and the whole thing blew up in out face and the ash went everywhere

    • @BenjaminEsposti
      @BenjaminEsposti 5 лет назад +1

      Any type of rock can "explode" like this, and there are three causes related to external heating/cooling:
      1. Expansion/boiling of water in cracks/fractures or porous surfaces.
      2. Localized thermal expansion/contraction, like putting a drop of water on a hot incandescent light bulb.
      3. If lava contacts water, the water can not only flash to steam, but also be separated into hydrogen and oxygen... you know the rest, lol.

    • @SniperScav
      @SniperScav 5 лет назад

      Same happened to me

  • @LittleTankDestroyaz
    @LittleTankDestroyaz 2 года назад +9

    Honestly this can be pretty dangerous, we had a concrete ring around a fireplace once and it exploded without any warning, there was a 4-5kg piece that flew about 50m past my dad nearly hitting him. Im sure if that concrete slab did hit my dad, he would be no more. :(

  • @____j____a____c____k6466
    @____j____a____c____k6466 4 года назад +131

    Pinecones also explode when they are put in a fire for long enough.

    • @crimsonthemudwing
      @crimsonthemudwing 4 года назад +9

      Usually that is also how the pine cones distribute seeds. the seeds are inside the pine cone, then once it pops open then the seeds can plant new trees.

    • @joeydr1497
      @joeydr1497 4 года назад

      😏

    • @Krosby-H
      @Krosby-H 4 года назад +1

      What turn it into a drag grenade

    • @randomdudeak2778
      @randomdudeak2778 4 года назад +4

      Good to know... gooood to know.

    • @Mackin3
      @Mackin3 4 года назад +2

      I’ll keep that stored in my brain for later

  • @thehistoryhuntermudlarks7650
    @thehistoryhuntermudlarks7650 3 года назад +188

    It was like 1 am and something hit me and burned a clean hole through my trouser leg, I told my friends but they denied it until the fire properly started exploding. There was like a pop every 10 seconds and it was throwing hot shards of rock at us. Thank you for this video, it’s a life saver 😭

    • @gereniccc4487
      @gereniccc4487 3 года назад

      are you ok/ were you hurt at the time

    • @sexhaver2165
      @sexhaver2165 3 года назад +18

      @@gereniccc4487 nah bro he died

    • @gereniccc4487
      @gereniccc4487 3 года назад +1

      @@sexhaver2165 a dont htink he died he culd of been or who ever were talking aboat culd have been injerd tho

    • @fractal5764
      @fractal5764 3 года назад +4

      @@gereniccc4487 good spelling

    • @gereniccc4487
      @gereniccc4487 3 года назад +1

      @@fractal5764 ik i spell bad

  • @stalespaghetti
    @stalespaghetti 5 лет назад +671

    Dog: chillin
    Rocks: *explodes*
    Dog: ight imma head out.

  • @moghosh7451
    @moghosh7451 Год назад +4

    Yes! Exploding rocks are a thing and lemons/limes as well! Pretty crazy stuff. I was camping in Utah and we used dried river rocks to make a fire pit. About a half hour or so went by before two explosions went off. It was one of the scariest moments of my life because of how peaceful it was before and it was very unexpected.

  • @vegasrockafeller3518
    @vegasrockafeller3518 5 лет назад +60

    An electrical wire fell in front of my house, causing a small fire. The fire was so hot that the curb exploded, sending concrete up to 60ft away.

    • @dakhaikh
      @dakhaikh 5 лет назад +5

      Vegas Rockafeller wth Final Destination much?

  • @theunknown7879
    @theunknown7879 5 лет назад +25

    I never had this problem in life, it feels like you introduced me to new physical problems I need to worry about.

  • @southerndraw8215
    @southerndraw8215 5 лет назад +87

    Had a concrete floor start “popping” while cutting I beams. From the slag landing in big puddles and the oxy/acetylene torch flame touching it.

  • @TrueMegaManiac
    @TrueMegaManiac 4 года назад +167

    "Florida man creates IED's in his backyard out of rocks"

    • @euralsmith734
      @euralsmith734 4 года назад +2

      TrueMegaManiac underrated comment remember me when you are at 1k likes

  • @ihateshi
    @ihateshi 4 года назад +141

    Rock: *explodes*
    Dog: "we still be vibing"

  • @refererererer
    @refererererer 4 года назад +32

    My experience was when I was around 6 and we were playing near a dump site where trash was burned. We decided to throw rocks into the fire and they exploded. They produced loud bangs. We did it repeatedly to make sure that it was really the rocks/stones that were exploding. We threw relatively smooth stones that were laying around to be used as ground fillers.

  • @derpy3258
    @derpy3258 2 месяца назад +1

    As kids we would put thunder eggs in the campfire and hide until the explosion. They work even when they are dry

  • @joeydr1497
    @joeydr1497 4 года назад +86

    I was tending a fire with my friends and we had used flat river rocks to stop the grass burning
    The rocks burst almost in half and shot embers in a 3 meter radius
    I have a scar on my shin from kneeling on one we didn’t find

  • @evansolazzo5025
    @evansolazzo5025 5 лет назад +63

    I remember when I was younger me and my family were in the Catskills sitting around a campfire, as I walked by rocks started to explode and I jumped and fell into a little kiddy pool

  • @Thorkell6969
    @Thorkell6969 5 лет назад +87

    Now that "Florida" tag is testament of crazy content

  • @carcasscruncher9354
    @carcasscruncher9354 2 года назад +1

    While camping in a secluded gravel parking lot we had a fire ring. Sometimes the ends of burning sticks and logs would fall out of the ring. We had a shovel to scoop them up and put them back in the ring. Sometimes gravel would get thrown in with these scoops. It didnt take long and some of them would explode. Sounded a little less loud than a 22 rim fire shell going off. I deduced it was the gravel. So I threw a few in and sure enough they would explode. I guess this is why you dont use river rock around a fire, the water absorbed makes them explode. The gravel would catch dew and rain and I'm pretty sure that's why they would explode. Interesting stuff.

  • @B1M_B1M_B1M
    @B1M_B1M_B1M 5 лет назад +50

    I have been told as a young child that when you're in the sauna, the kiuas (the heater with rocks on it) should be only watered with decently warm water, or else the stones will crack (not explode tho).

    • @ciarangale4738
      @ciarangale4738 5 лет назад +2

      i think thats too avoid putting cold water on hot rocks, because that will crack them for similar but still different reasons to what happened in this video

    • @TechTinkerWorks
      @TechTinkerWorks 5 лет назад

      Those rocks are very porous almost like a sponge. They can split from hot water but not explode.

  • @XxQuader764xX
    @XxQuader764xX 4 года назад +450

    I had Dwayne the rock Johnson hit me in the face when I was sitting around a campfire

  • @stevenkendzierski9333
    @stevenkendzierski9333 5 лет назад +331

    Imagine living next to him...
    "Honey there's a hole in the roof agian."

    • @FCcoreynexus
      @FCcoreynexus 5 лет назад +7

      @Dangamer35 i thienke yu spielleid again wroenge

    • @vexminister3691
      @vexminister3691 5 лет назад +1

      @Dangamer35 edited yet still wrong

    • @thecoolaxolotlnova8523
      @thecoolaxolotlnova8523 5 лет назад +3

      Hey babe? The crazy man's outside again, lock the doors and get to the basement.

    • @florianellerbrock8922
      @florianellerbrock8922 4 года назад

      Mooooom to the basement the strange guy next door has build some strange things again

    • @residentstar
      @residentstar 4 года назад

      Yes

  • @haxguy0
    @haxguy0 2 года назад +6

    We used a flat stones to cook on once. When it exploded it was like a war zone. It shot our cooking pan like 30ft into the air. The rock pieces that were falling from the sky were exploding mid air and when they were hitting the ground. My friend almost had a rock piece hit his eye. Luckily we were all unharmed, but it was the most surreal things that ever happened to me.

  • @ecinhepler8557
    @ecinhepler8557 4 года назад +881

    "We got our first crack rock.... I mean rock crack"
    hahahaa had me done in

  • @randomcat9314
    @randomcat9314 4 года назад +100

    note to self: throw overheated rocks at the enemy and have a chance for then to explode in their face

    • @professorjiggles1793
      @professorjiggles1793 4 года назад +2

      This is what is called a *CHANCE GRENADE* has a 40% chance of dealing 100 damage, and a 60% chance of dealing 0. Also deals splash damage.

    • @CounterMS
      @CounterMS 4 года назад +1

      I use the rocks as a molotov. Pour oil on the rocks and heat it up. Then attach a lighter that's still turned on then throw it. Done, you just crafted a molotov

  • @addanametocontinue
    @addanametocontinue 5 лет назад +318

    "Vietnam going off..."
    "They're in the trees!!!!"

    • @jemman2906
      @jemman2906 5 лет назад +11

      I met the Lorax, he speaks for the trees, and for some reason the trees speak f*cking Vietnamese.

    • @_KennethG
      @_KennethG 5 лет назад

      Congs: we've been made

    • @psychologicaltirefire8190
      @psychologicaltirefire8190 5 лет назад +2

      @@jemman2906 I've met Santa, for some reason he says the snow speaks Finnish.

    • @glitchlaboratorys6116
      @glitchlaboratorys6116 5 лет назад

      Leon Trotsky when I talked to him the snow was speaking Russian

    • @JesusChrist-yh4pi
      @JesusChrist-yh4pi 5 лет назад +1

      *Fortunate Son intensifies*

  • @l0l0mgwtgdq
    @l0l0mgwtgdq 2 года назад +9

    I found out this same thing happens with wood. When dumping water on a wood fire to put it out, do it slowly… I poured a 5 gallon bucket water on a standard camp fire and the whole thing blew up into splinters covering me head to toe in scalding water

  • @kameron.w4089
    @kameron.w4089 4 года назад +720

    You need to use round river rocks, I’ve heard a few stories of them exploding... 😯😀

    • @LachlanEaston
      @LachlanEaston 4 года назад +32

      Yeah, the "wet rock" were nowhere near wet enough.

    • @vader_raider9960
      @vader_raider9960 4 года назад +19

      Yea we accidentally used them for our sweat. Sweat went boom inside

    • @Tetrok_the_Teal
      @Tetrok_the_Teal 4 года назад +28

      As boy scouts we used to toss a few river rocks in to scare our friends... It worked

    • @darrell2322
      @darrell2322 4 года назад +14

      @@Tetrok_the_Teal man, i used to throw in used batteries in campfires to scare out my friends and teachers.

    • @william.304_6
      @william.304_6 4 года назад +8

      This happened to me one time it nearly hit me in the face and went 20 ft into the woods. It was baseball sized so it could have messed me up.

  • @TruthXisXChaos
    @TruthXisXChaos 4 года назад +55

    “We got our first crack rock”
    A phrase used ever so often in Florida

    • @Sp00kq
      @Sp00kq 4 года назад +1

      I have a friend who can confirm that. He said his area is filled with crackhead and hillbillies

  • @xylogie277
    @xylogie277 5 лет назад +208

    Gamers: "I'm popping off right now!"
    Wet Rocks: Hold my beer

  • @skeeterbug9875
    @skeeterbug9875 2 года назад

    Thanks!

  • @willemtrainor8507
    @willemtrainor8507 4 года назад +115

    Alternate universe where it didn’t rain: “Florida Man sets half of state on fire from making explosive concrete

    • @paytonwright3943
      @paytonwright3943 4 года назад +2

      You mean southern Florida

    • @papabonito310
      @papabonito310 4 года назад +5

      Well no rain = no water = no wet rocks = less boomy

    • @willemtrainor8507
      @willemtrainor8507 4 года назад +1

      the real banana man facts tho

    • @millerkiller6496
      @millerkiller6496 4 года назад

      the real banana man Is this why people say “Fight fire with fire”?

  • @Adog-hr9zo
    @Adog-hr9zo 4 года назад +99

    When I was younger I would throw rocks in a camp fire and when the crack I sometimes keep them cuz the inside looked cool

  • @jonnywilson8436
    @jonnywilson8436 4 года назад +75

    “They can explode like GRENADES, let’s put it to the test”.
    Me “yeah last time I checked grenades and flesh don’t work well”😂

  • @katmandoism
    @katmandoism Год назад +1

    Concrete has 3% water content even after hardening. It's the water and oil that is still in the rocks or concrete that causes the e exploding.

  • @Quamsi
    @Quamsi 5 лет назад +324

    Physicist: "in theory concrete could explode"
    Chemists: "I reverse engineered the concrete so I could make the most explosive possible mixture. Let's try it out!"

    • @jasonforster9445
      @jasonforster9445 5 лет назад +15

      I read this in Cody's voice from Cody'slab.

    • @JE-KNIVES
      @JE-KNIVES 5 лет назад +2

      @@jasonforster9445 me too

    • @turboturd7954
      @turboturd7954 5 лет назад

      you cant reverse engineer concrete because its then not concrete.

    • @metanumia
      @metanumia 5 лет назад +1

      @Patrick Quam LOL, so true! We chemists do love destructive testing!

  • @weeklymtbvideos7576
    @weeklymtbvideos7576 4 года назад +87

    Concrete when he’s walking over to the check on the aluminium: I’m about to end this mans whole career

  • @msp2896
    @msp2896 4 года назад +142

    3:49 reacts like an NPC just witnessed a crime 😂

  • @sgb-TV
    @sgb-TV 9 месяцев назад

    Bit late to this video, but i think 2022, and it was my first time doing proper camping with my brother and my dad. We had set up a campfire and surrounded it with rocks and lit it. A few minutes later, one of the rocks exploded (more like split in half), and it scared the life out of me.

  • @skatatataatje
    @skatatataatje 4 года назад +168

    "Can rocks explode?"
    Dinosaur: "Am I a joke to you?"

  • @alliedsoul97
    @alliedsoul97 5 лет назад +114

    On this episode of The Backyard Scientist: How to make a concrete incendiary bomb.

    • @therealmarcher
      @therealmarcher 5 лет назад

      I'm gonna bring rocks on my trip to D.C

  • @ejtamayo5317
    @ejtamayo5317 5 лет назад +35

    Imagine living in that neighborhood and be hearing pop after pop and some random guy talking about an experiment

  • @trevorvanbremen4718
    @trevorvanbremen4718 Год назад +1

    It's more impressive if ya use a different molten metal...
    Here's two 'suggestions' for you to try on really wet concrete
    1: Potassium
    2: Tungsten
    For 'added 'effect' instead of just water wet concrete, use some WFNA wet concrete

  • @nick-rs1li
    @nick-rs1li 4 года назад +71

    Backyard Scientist: "Can rocks explode?"
    Me, a vietnam veteran: "RUN!"

  • @samjariri2914
    @samjariri2914 4 года назад +110

    RUclipsrs doing dangerous activities
    Dogs: I am going to actively stay here

  • @unitiy2387
    @unitiy2387 4 года назад +101

    The Backyard Scientist:
    Everyone else: Safety First

  • @Lord_Baphomet_
    @Lord_Baphomet_ 3 года назад +1

    When I was on a camping trip with my JROTC group and we used river rocks as a makeshift stove top with a fire underneath. I thought the can had exploded but it was the rock. It shot hot beans all over my friends and they had to be treated for burns and our trip was called short. They literally thought we had fireworks and we would’ve been kicked out but all of our stories matched and one of them went off when someone dumped water on the fire.

  • @kaylor87
    @kaylor87 4 года назад +313

    I feel like safety was pretty low on the priority list during the making of this video...

    • @bprheur4975
      @bprheur4975 4 года назад +16

      ok karen

    • @ark_7699
      @ark_7699 4 года назад +16

      on all of his videos

    • @pinneapplecheese1811
      @pinneapplecheese1811 4 года назад +2

      mr.eggroll 36 lol funny humor

    • @JonathanLaRiviere
      @JonathanLaRiviere 4 года назад +1

      Go watch Thunderf00t‘s video about aluminum explosions that are highly deadly. Backyard Scientist is featured 😂

    • @alexdooney5061
      @alexdooney5061 4 года назад +4

      “Saftey is numbuh one priority”
      -crazy Russian hacker

  • @Arthiem
    @Arthiem 5 лет назад +107

    I can see the headlines already.
    Daily Mail: "Florida Man finds a way to turn Concrete into Dangerous Explosives with house hold materials, are your buildings safe from terrorism?"

    • @BenjaminEsposti
      @BenjaminEsposti 5 лет назад +4

      _"It must have been the misgynistic Trump-supporting white supremacist neo-nazis!"_

    • @hazeltree7738
      @hazeltree7738 4 года назад

      @@BenjaminEsposti *misogynistic
      But well done on getting the rest right :)

  • @bulasturubula3660
    @bulasturubula3660 2 года назад +7

    The face of the dog going by at 2:30 says it all about how confident everyone is about your experiments

  • @joaquin9973
    @joaquin9973 5 лет назад +41

    I love how he is hiding behind the trees before every experiment

    • @CuebaltVR
      @CuebaltVR 5 лет назад

      So hes Vietnamese now?

  • @rae8435
    @rae8435 5 лет назад +31

    3:00 *notices pupper*
    NU STAY SAFE MY CHILD

  • @robertlee8400
    @robertlee8400 5 лет назад +6

    When I was in boy scouts I was told not to use rocks that are in or near water to build a fire pit because when the get hot steam will build up inside them causing them to explode & fragmenting all over the place .

  • @HrRezpatex
    @HrRezpatex 2 года назад +3

    If you get a Baryte crystal, you can simply put it under warm water from the spring, and it will explode.
    Because of the tight molecule structure, for the same reason it is pretty heavy too.
    This has made many mineral collectors sad, as they come home with this and try to wash them in warm water.. lol

  • @require._
    @require._ 5 лет назад +153

    2050: Today we are going to pour molten aluminum on my homemade atomic bomb I made in another video

  • @mcfooge9535
    @mcfooge9535 5 лет назад +42

    One time when I was younger me and my father finally convinced my mother to come sit by the fire and a rock exploded and hit her in the forehead from like 10 ft away

  • @jacobgreen6899
    @jacobgreen6899 4 года назад +54

    Me: sees the title
    Also me: challenge accepted

  • @NPJ_EST_2009
    @NPJ_EST_2009 2 года назад +1

    One time I made a mini fire place out of brick and me and my friend walked away we heard a noise that sounded like a gun shot and when we came back the fire pit was collapsed

  • @dangerousjGD
    @dangerousjGD 5 лет назад +61

    One time I was camping
    Had a fire
    Saw a “ glowing rock” on the ground
    Picked it up
    Second degree burns

    • @brandonfoley7519
      @brandonfoley7519 5 лет назад

      Damn

    • @AnimeFan-wd5pq
      @AnimeFan-wd5pq 5 лет назад +3

      Dangerous J you’re like the tenth person that has a LEGO head figure as the profile picture. They’re all different, how are you people doing this?

    • @dangerousjGD
      @dangerousjGD 5 лет назад +2

      Anime Fan LEGO Star Wars cult

    • @darkshadowsx5949
      @darkshadowsx5949 5 лет назад +3

      its a good thing you picked it up so someone else didn't....

    • @sunnyd2590
      @sunnyd2590 5 лет назад +1

      poopypants678 _ there’s also bioluminescence like fire flies or angler fish

  • @kaneyt0
    @kaneyt0 5 лет назад +86

    Location: FLORIDA

    • @Convolutedtubules
      @Convolutedtubules 5 лет назад

      Because where else!

    • @Bob-zb5iq
      @Bob-zb5iq 5 лет назад

      @@Convolutedtubules maybe russia

    • @fl00fydragon
      @fl00fydragon 5 лет назад +2

      Only the florida man variation of humanity would play around with stuff like that, disregarding their self preservation instincts.

    • @brandonbruner1688
      @brandonbruner1688 5 лет назад

      Item : crack rock

    • @kaneyt0
      @kaneyt0 5 лет назад

      Electric Pea But where in Florida?

  • @coultonbolyard8716
    @coultonbolyard8716 5 лет назад +73

    Imagine when go goes to mow that yard

  • @Sorcerer_Lynx
    @Sorcerer_Lynx Год назад +1

    That special explosive cement should be used in movies

  • @marcel1372
    @marcel1372 2 года назад +12

    the other day we had a sewer campfire with an old pallet that must've gotten soaked because a bunch of wood started exploding sparks everywhere it was actually kinda dangerous but probably infinitely better than exploding rocks

    • @akramisalah8189
      @akramisalah8189 2 года назад

      What is a sewer fire?

    • @marcel1372
      @marcel1372 2 года назад

      @@akramisalah8189 posted up in this concrete tunnel by local creek . the kind u can walk upright in. it opens at both ends but once my bro stupidly lit an old xmas tree on fire in there and it created like an instant fire jet backdraft situation lol