SCIENCE CLASS #6- What if Everyone Flushed their Toilet at Once?

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Let's talk about pressure! I WILL DO ONE FINAL CLASS NEXT WEEK, MAY 6TH!
Get your first KiwiCo Crate for FREE!!! www.kiwico.com/markrober

Here is a great link to donate to help with Covid-19 aid- tiltify.com/united-way/hopefr...

Mark Rober
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  • Mark Rober

    Mark Rober

    Жилийн өмнө

    Thanks for coming to class!! I WILL DO ONE FINAL CLASS NEXT WEEK, MAY 6TH!

    • Catal

      Catal

      2 өдрийн өмнө

      Ok

    • Hudson Elliott

      Hudson Elliott

      3 өдрийн өмнө

      Okay

    • lol

      lol

      3 өдрийн өмнө

      Please can you post everyday and reply to my comment

    • Maura Mack

      Maura Mack

      Сарын өмнө

      Kk ,

    • BABITA JAIN

      BABITA JAIN

      Сарын өмнө

      Ok

  • Jaunius Špokauskas

    Jaunius Špokauskas

    Өдрийн өмнө

    thank you for sharing this information :)

  • Stavan Jain, Music and games

    Stavan Jain, Music and games

    Өдрийн өмнө

    this do be
    better than skool tho

  • Stavan Jain, Music and games

    Stavan Jain, Music and games

    Өдрийн өмнө

    mark:...answer important questions
    also him: what if everyone flushed at the same time?

  • TimmyTube_9

    TimmyTube_9

    Өдрийн өмнө

    yay

  • Catal

    Catal

    2 өдрийн өмнө

    Let’s Go

  • Fenrick Brandoff

    Fenrick Brandoff

    5 өдрийн өмнө

    Welcome to science class! I’m mark rover
    Well done captions

  • Gavin Rosen

    Gavin Rosen

    6 өдрийн өмнө

    You should do a paper airplane video

  • District Plus

    District Plus

    7 өдрийн өмнө

    Become a teacher Mark

  • Hi-tech gamer

    Hi-tech gamer

    12 өдрийн өмнө

    Dude you are smarter than Einstein.

  • ayden strand

    ayden strand

    12 өдрийн өмнө

    YOURE THE BEST

  • Brian Lane

    Brian Lane

    13 өдрийн өмнө

    So are we not going to talk about how you didn’t put the weight directly over the balloon with 12 nails?

  • Talha Naveed

    Talha Naveed

    14 өдрийн өмнө

    I love how at the end he drank water to prove there were no holes 😅👌💯

  • Sunnyzinho

    Sunnyzinho

    16 өдрийн өмнө

    Tsunami on the sewers

  • Karol Zammit

    Karol Zammit

    19 өдрийн өмнө

    I love Mark! Great job! Just curious - how many times did he say 'baby'

  • Eggy Slow mo

    Eggy Slow mo

    20 өдрийн өмнө

    I'm on the other side of the world watching this

  • Jake Adams

    Jake Adams

    21 өдрийн өмнө

    I bought a kiwico monthly crate got one 4/23/21 it is 5/31/21 and still waiting for the second one.

  • Joleen Wu

    Joleen Wu

    22 өдрийн өмнө

    I'm only 9 and I'm hearing this....

  • Joleen Wu

    Joleen Wu

    22 өдрийн өмнө

    W-o-w

  • Joleen Wu

    Joleen Wu

    22 өдрийн өмнө

    .................................

  • Cody Mooney

    Cody Mooney

    26 өдрийн өмнө

    Teachers in school ain't got nothing on any of this

  • Meows for Life

    Meows for Life

    27 өдрийн өмнө

    I don't mean to sound to judgemental but I hope your teaching kids. If not I worry about our education system.
    On another note i feel saddened I didn't have a teacher like you.

  • Everett Lechner

    Everett Lechner

    28 өдрийн өмнө

    Cool😃

  • a j

    a j

    29 өдрийн өмнө

    im pretty sure he only pretended to drink the water and THAT'S WHY it didnt come out.

  • Jennifer Dinh

    Jennifer Dinh

    Сарын өмнө

    Mark you are amzing

  • Hollis Kelly

    Hollis Kelly

    Сарын өмнө

    Why didn’t I get this guy is my science teacher

  • BABITA JAIN

    BABITA JAIN

    Сарын өмнө

    👍🏻

  • city Play Games

    city Play Games

    Сарын өмнө

    Thxs Now I can cheat in class lol

  • Zebbzz

    Zebbzz

    Сарын өмнө

    So what you're saying is never make toilets compatible with Alexa.
    Headline: Hackers take down water treatment plants worldwide 🌐

  • Remedy....

    Remedy....

    Сарын өмнө

    You would be the teacher that kids love, learn, & remember....More educators should teach this way. It would make school & learning not only way more fun but beneficial for all....

  • J B

    J B

    Сарын өмнө

    isnt there a city in zimbabwe that does this all the time?

  • Tomato_man

    Tomato_man

    Сарын өмнө

    Another youtuber did this with the same title but before you





    I sense a disturbance in the force

  • Limedinosaur

    Limedinosaur

    Сарын өмнө

    Everybody gangsta till mark rober is your science teacher

  • Natalie Karen

    Natalie Karen

    Сарын өмнө

    At the end I was terrified that Mark would get hurt

  • OriCraft

    OriCraft

    Сарын өмнө

    This channel is slowly turning into Vsauce

  • Joseph Barton

    Joseph Barton

    Сарын өмнө

    On Ice. Actually slamming your foot straight down increases the coefficient of friction on your shoes so your less likely to slip. Coool.

  • Joseph Barton

    Joseph Barton

    Сарын өмнө

    I think you meant orientate. Orient is like Asia and stuff.

  • 152 Srikar Yendluri

    152 Srikar Yendluri

    Сарын өмнө

    1:51 that book costs a freaking 100 dollars in india

  • Ryan Woodhouse.

    Ryan Woodhouse.

    Сарын өмнө

    It would be cool if Mark was my science teacher at the Co-op I go to but... The teachers there are moms/ women

  • Ace Ggkspade

    Ace Ggkspade

    Сарын өмнө

    I was thinking they wouldn’t flush because of the increasing pressure in the pipes it eventually just wouldn’t let you flush but I guess if it was at exactly the same in theory lol that would be bad

  • Boo Yeah

    Boo Yeah

    Сарын өмнө

    Imagine all that poo coming at ya.

  • Vickie Domke

    Vickie Domke

    Сарын өмнө

    My science teacher is retiring next year you would be great

  • MIM Gamer TV

    MIM Gamer TV

    2 сарын өмнө

    Mark Rober: WELCOME TO-
    Mark Rober Fans: OK bye!

  • Sharks r Fun

    Sharks r Fun

    2 сарын өмнө

    Can you be my science teacher

  • L G

    L G

    2 сарын өмнө

    What if we all slept at the same time? Even animals and bugs? Lol!!

  • Feezor Family

    Feezor Family

    2 сарын өмнө

    Wsssawassssssxxssxswsss

  • Omar Azookari

    Omar Azookari

    2 сарын өмнө

    It’s me

  • Ano Pro Max

    Ano Pro Max

    2 сарын өмнө

    I’m literally watching this a little more than a year after and it still helps me!

  • Ella Taylor

    Ella Taylor

    2 сарын өмнө

    can i watch these insted of going to sience

  • Riya Tyagi

    Riya Tyagi

    2 сарын өмнө

    But doesn't the pad of the heel create more surface area? Ohh i guess the person wearing heels puts the heel down first, oh no

  • MARK WON

    MARK WON

    2 сарын өмнө

    11:44 I can relate...

  • Bertha Quezada

    Bertha Quezada

    2 сарын өмнө

    Going Vsauce here

  • Derrick h

    Derrick h

    2 сарын өмнө

    When you said you were wrong by a factorof ten percent, did you mean you were RIGHT by a factor of ten percent? Because the weight of the elephant is distributed over a larger area.

  • Steve Lamb

    Steve Lamb

    2 сарын өмнө

    But you didn’t explain how all the zorbies ended up in the pipes.
    Did he tip a few bags of them into a drainpipe or something?

  • Angel Jonguitud

    Angel Jonguitud

    2 сарын өмнө

    :)

  • Jereimiah Knowles

    Jereimiah Knowles

    2 сарын өмнө

    Ha ha yeah i speak german and french and you definiteley shouldnt repeat that lol 😂 22:42

  • Amy M Elliott

    Amy M Elliott

    2 сарын өмнө

    Which one WOULD you let in your house or not let in your house? Cuz elephant would be preferred over the heals, right? Then if you said elephant then you're right! Right? Cuz the elephant distributes pressure seeing that it has a greater distribution. Right? So, was that just a mistake? Or am I confused? 3:53

  • edsnotgod

    edsnotgod

    2 сарын өмнө

    It would be nothing compared to how much chit genius dope tokers put on the Web "duh Russian collusion"

  • Scott Ed

    Scott Ed

    2 сарын өмнө

    It would destroy the earth’s rotation.

  • Lapiz

    Lapiz

    2 сарын өмнө

    I dont need sleep i need answers

  • Adam

    Adam

    2 сарын өмнө

    You showed pressure with a tub of water vs a 2liter of water and the pressure looked the same. So If one goes into a large pool 10 feet below and feels the pressure in their ears, would one feel the same pressure if they went 10 feet deep into an area of water only 5x5 wide?

  • Villa FG

    Villa FG

    2 сарын өмнө

    I wondered this if all my toilets in my house flushed at once cool

  • Z_bonzyz

    Z_bonzyz

    2 сарын өмнө

    We had this teles spark and i ordered kiwi co

  • Chris Menza

    Chris Menza

    2 сарын өмнө

    Lol the blood on your sweatshirt

  • Snalibe

    Snalibe

    2 сарын өмнө

    I ain't letting an elephant in my house. I feel like the women might no be as bad!

  • Kimberly De leon

    Kimberly De leon

    2 сарын өмнө

    As a wastewater operator, that would be a nightmare day.

  • Charlie Kay

    Charlie Kay

    2 сарын өмнө

    but the elefant would break your door

  • pjs5406

    pjs5406

    2 сарын өмнө

    Did you misspeak about who to let in house elephant or woman, or did I misunderstand? You said if you chose elephant your wrong by a factor of 10, but then go on to explain how the floors would get damaged 10m times more easily with the heels than an elephant.

  • Jesus Stout

    Jesus Stout

    2 сарын өмнө

    You are awesome!

  • Kenji lol

    Kenji lol

    2 сарын өмнө

    I really love how easy to understand the analogy is unlike others, + points to humor too.

  • A Parson

    A Parson

    2 сарын өмнө

    I would give this man any 5th grade class in the world.
    When you're learning, and having fun it's full on 5th grade.
    My 5th grade teacher had us building balsa wood gliders and para balloons.....we had sharp scissors, sharp knives, and created amazing things. I went through three years of math in the 5th grade because we were hands on with proven designs.
    We got to spend more time in the field than any other class in my school..... I got so lucky by being in that teacher's space.

  • NetAndyCz

    NetAndyCz

    2 сарын өмнө

    23:54 Yeah, this part can go wrong, unless you have plate armour under the trousers, be careful;)

  • NetAndyCz

    NetAndyCz

    2 сарын өмнө

    13:08 This one really depends on how high the holes are above the ground.

  • Janice M

    Janice M

    2 сарын өмнө

    You asked which would you let in your house but said you were wrong if you said elephant....

  • Jim Kirby

    Jim Kirby

    2 сарын өмнө

    Mark, now that you've explained pressure, you should explain that what people call a "high-pressure shower head" is really a "low-pressure, high-velocity shower head" in accordance with Bernoulli's Theorem.

  • Jim Kirby

    Jim Kirby

    2 сарын өмнө

    Hi Mark, in English we say "...everyone...he...." Furthermore the expression is "home in on" not "hone in on."

  • Lauren Burleigh

    Lauren Burleigh

    2 сарын өмнө

    COOL

  • StrokeMahEgo

    StrokeMahEgo

    2 сарын өмнө

    The fabled atomic flush

  • Q-tip

    Q-tip

    3 сарын өмнө

    "You see hydraulics like this in a lot of Cases."
    You also see them in Caterpillars, Deere's, Komatsus...

  • Nicholas Martinez

    Nicholas Martinez

    3 сарын өмнө

    I learned more in this one video than all my years of school

    • Angel Tipanluisa

      Angel Tipanluisa

      2 сарын өмнө

      ➡️ livegirls19. com ⤵️ B.e.S.T f'u"l'l D.a.T.i.n.G h.o.T G.i.r.L's -L-o-V-e-S-e-X---❤️😘 ..👍 !💖🖤❤️今後は気をライブ配信の再編ありがとうです!この日のライブ配信は、かならりやばかったですね!1万人を超える人が見ていたもん(笑)やっぱり人参最高!まさかのカメラ切り忘れでやら1かしたのもドキドキでした,. 💖🖤在整個人類歷史上,強者,富人和具有狡猾特質的人捕食部落,氏族,城鎮,城市和鄉村中的弱者,無`'守和貧窮成員。然而,人類的生存意願迫使那些被拒絕,被剝奪或摧毀的基本需求的人們找到了一種生活方式,並繼續將其DNA融入不斷發展的人類社會。. 說到食物,不要以為那些被拒絕的人只吃垃圾。相反,他們學會了在被忽視的肉類和蔬菜中尋找營養。他們學會了清潔,切塊,調味和慢燉慢燉的野菜和肉類,在食品市場上被忽略的部分家用蔬菜和肉類,並且學會了使用芳香的木煙(如山核桃,山核桃和豆科灌木 來調味g食物煮的時候 1618747332

  • Aubrie Waiz

    Aubrie Waiz

    3 сарын өмнө

    thanks for your insprashon for toilets

  • Tjd

    Tjd

    3 сарын өмнө

    Nothing

  • Marc Catalano

    Marc Catalano

    3 сарын өмнө

    Correction water is barely compressible, but even at just the bottom of the ocean the water is a tiny bit more compressed then at the top.

  • Stormwing

    Stormwing

    3 сарын өмнө

    Hmm, I don't think that hole in your hoodie existed before you cushioned yourself in a bed of nails... Just sayin'

  • Eugene McCalister

    Eugene McCalister

    3 сарын өмнө

    i used that physics book in high school, lol

  • adit vallecha

    adit vallecha

    3 сарын өмнө

    And mark rover died in his nail experiment and was never seen again

  • Monika Galinski

    Monika Galinski

    3 сарын өмнө

    WELCOME TO SCIENCE CLASS
    HELLLLLLLLLLOOOOOOOOOOOOOOOOOOOOOOOOOOOO

    5 minutes later:
    Already lets lay down the facts

  • lMagicalMerlin

    lMagicalMerlin

    3 сарын өмнө

    Havn't read the comments... anyone else notice this looking like it was shot in the 80s? Almost certain it's the brick wall background.

  • Chris Leone

    Chris Leone

    3 сарын өмнө

    I already know what happens because I conducted an experiment with my siblings when I was 6 or 7 years old where we flushed all three of our toilets at once. Your mom will yell at you and you won't be allowed on your PS2 for at least a week

  • Jim Fabian

    Jim Fabian

    3 сарын өмнө

    I need a Mark Rober TV Show. Why hasn’t history channel or discovery signed you yet?!

  • Armon J

    Armon J

    3 сарын өмнө

    The eager doubt lamentably refuse because girdle realistically greet versus a hallowed female. thin, internal instruction

  • HM

    HM

    3 сарын өмнө

    Mark is the BEST

  • Philip Beach

    Philip Beach

    3 сарын өмнө

    Are you the coolest nerd, or the nerdiest cool guy on YouTube?? I don't know, but I do know that everyone will know who Mark Rober is someday. 🤟keep inspiring the way you do

  • Alex Ortiz

    Alex Ortiz

    3 сарын өмнө

    The cynical profit incidentally label because phone aesthetically stay from a slimy llama. stiff, dispensable jail

  • Privacy Valued

    Privacy Valued

    3 сарын өмнө

    The elephant would literally become the elephant in the room and while my floors would be fine, the rest of the residence would cease being a residence. Just ask the lady to take her shoes off when she enters the residence or don't let either one in and then there's no problem.

  • Robert Triggs

    Robert Triggs

    3 сарын өмнө

    Keep it up bro! Best videos I've probably ever seen.

  • Victoria of the Victoria Victoria's

    Victoria of the Victoria Victoria's

    3 сарын өмнө

    I'm 3:12 in & I've learned more than I have in the last 10 years....

  • loe 73

    loe 73

    3 сарын өмнө

    thanks mark, for showing that schools can incorporate more interactive and engaging learning. Rather than giving students a thick text book, a load of assignments, and expect them to learn efficiently and last in their heads.

  • Inservio

    Inservio

    3 сарын өмнө

    Mr. Rober, now that I've seen your handwriting, I have to say....
    Thank you for not going into family medicine.

  • Matthew Roberts ( Student )

    Matthew Roberts ( Student )

    3 сарын өмнө

    awww man i missed it
    mark can you make more videos like this (especially the kahoot part lol)
    stay smart, take care