SCIENCE CLASS #1- WHY Does Helium Make Your Voice Higher?

Live stream with demos your brain will enjoy where we answer a basic question every time.

Does farting make you weigh more or less?!?! Place your guess and give me feedback too- forms.gle/gqNw9Ht83Vzo2va4A

Komentarjev

  1. Mark Rober

    Mark RoberPred letom

    FIIIIRSSSST!!!

  2. Just Myself

    Just MyselfPred 16 dnevi

    19,95,205th😂😂

  3. JustABob YT

    JustABob YTPred 19 dnevi

    What that’s not fair

  4. killakira12

    killakira12Pred mesecem

    Omg lol

  5. Kayliegh's Korner

    Kayliegh's KornerPred mesecem

    You would be a amazing physics teacher mark rober!!!!!!

  6. Olehroblox88

    Olehroblox88Pred 2 meseci

    13,117 person to see this

  7. Ezra the fortnite God

    Ezra the fortnite GodPred 3 urami

    I want mark to be my teacher

  8. Vicki Sainsbury

    Vicki SainsburyPred 10 dnevi

    Sup mark how are you doing boi

  9. Ender Rider

    Ender RiderPred 13 dnevi

    Hey dude you should make a channel for these types of vid

  10. Sci F 778 Mansi Saraiya

    Sci F 778 Mansi SaraiyaPred 14 dnevi

    I know all this but i still watched the whole video

  11. AwesomeKid

    AwesomeKidPred 16 dnevi

    be my science teacher or piggy will catch you

  12. Megan A.

    Megan A.Pred 18 dnevi

    umm probably nobody will see this but ima ask this question how come u see really flat rocks then u see wierd shaped rocks???

  13. jamcdonald120

    jamcdonald120Pred 22 dnevi

    23:30 Because Heavier things totally fall faster

  14. Derek Rodriguez Nieves

    Derek Rodriguez NievesPred 22 dnevi

    Is another class gonna happen? I wanna be in

  15. ಥ_ಥ CG

    ಥ_ಥ CGPred 23 dnevi

    im pretty sure EVERYONE would love him as there teacher

  16. Scott Borror

    Scott BorrorPred 27 dnevi

    So he just explained to me why most women's voices are higher then men's. They exercise their vocal cords more (they talk too much).

  17. Sabina KC

    Sabina KCPred 28 dnevi

    Just become a teacher

  18. Sabina KC

    Sabina KCPred 29 dnevi

    15 minutes huh

  19. tickler1983

    tickler1983Pred mesecem

    Love how you do your vids! Why are people ticklish, can we not be ticklish, and is everyone ticklish?

  20. Darsshan M

    Darsshan MPred mesecem

    This guys is a genious at explaining things. I fricking love him.

  21. My Smirf

    My SmirfPred mesecem

    The pretty writer unprecedentedly search because silica concurringly form between a wise windscreen. unused, lamentable orange

  22. Neil Wadhia

    Neil WadhiaPred mesecem

    0:50 sounds like a vampire

  23. Hannah Rich

    Hannah RichPred mesecem

    Yo be my high school teacher!!

  24. Kenza Rezyarifin

    Kenza RezyarifinPred mesecem

    Imagine mark is your physics teacher, everything make sense and you like science

  25. A•F•N•N•I•A•M•F•E

    A•F•N•N•I•A•M•F•EPred mesecem

    Dude I wish you were my teacher, you mange to make everything interesting I would not get bored

  26. Andrew Xiao

    Andrew XiaoPred mesecem

    Can't believe its already been over a year.

  27. Arthur Birck

    Arthur BirckPred mesecem

    So is there any sound in space?

  28. Hamza Ahsan

    Hamza AhsanPred mesecem

    There are no particles for the sound vibrations too travel through

  29. Hamza Ahsan

    Hamza AhsanPred mesecem

    No

  30. Christian Guerrero

    Christian GuerreroPred mesecem

    The Sience in school is way more boring but this is sience class is way more intresting

  31. Cookin' With Lil'

    Cookin' With Lil'Pred mesecem

    Wow, I was not expecting to understand that, but I did. Nice job Mark

  32. BlackNinja BS

    BlackNinja BSPred mesecem

    What's the difference between v (= velocity) and a (= acceleration)?

  33. LORDxGOKU

    LORDxGOKUPred mesecem

    a nerveus man

  34. WIDave0311

    WIDave0311Pred mesecem

    *_What the heck is going on there?_*

  35. Noel Ayanah

    Noel AyanahPred 2 meseci

    When Mark becomes a HS Physic teacher, I'm DEF going back to school. Do I care that I just graduated college and I'm in my 20s? No. Do I care that I actually sucked at physics in high school? No. Will I be old as Methuselah sitting in a high school class with my backpack and notebook? Yes, yes I will.

  36. dynamite gamer

    dynamite gamerPred 2 meseci

    oil is hevier than water lol

  37. David Anderson

    David AndersonPred 2 meseci

    Haha if he’s a science teacher/physics if the people know him on yt they will go crazy but he would make the classes so fun

  38. block bear studios

    block bear studiosPred 2 meseci

    So hydrogen would also make ur voice higher?

  39. me

    mePred 2 meseci

    “im scared of public speaking” **wants to be a high-school teacher**

  40. Harmony Quinn

    Harmony QuinnPred 2 meseci

    Freedom Units 💀

  41. Grifmister

    GrifmisterPred 2 meseci

    I learn more from your channel than I do in school

  42. Yixuan Yan

    Yixuan YanPred 2 meseci

    my mind is overgrowing...

  43. The awesome person Street

    The awesome person StreetPred 2 meseci

    Loving the education love since.

  44. Cody Thornburg

    Cody ThornburgPred 2 meseci

    Thank you!

  45. Agosto Madden

    Agosto MaddenPred 2 meseci

    Please consider subscribing

  46. Henry Dwyer

    Henry DwyerPred 2 meseci

    Your way better than my teacher i learn so much from you

  47. Angel Jonguitud

    Angel JonguitudPred 2 meseci

    ;)

  48. Challenge Accepted

    Challenge AcceptedPred 2 meseci

    YOU CHEATED MAWK WOBER!

  49. Challenge Accepted

    Challenge AcceptedPred 2 meseci

    A

  50. Sven's History Lab

    Sven's History LabPred 2 meseci

    19:21 Mark Rober: help connect to others by making livestreams three times a week. Collin Furze: makes a six-foot tall corona-cycle

  51. Luke Borho

    Luke BorhoPred 2 meseci

    9:31 is crazy!

  52. The Sharks

    The SharksPred 2 meseci

    30:05 Did he just give MrBeast a shoutout thinking he is "not well known"?

  53. Venasai

    VenasaiPred 2 meseci

    I want mark to become my science teacher lmAo

  54. Pratyush Badrinath

    Pratyush BadrinathPred 2 meseci

    He explained low mass / high mass and low area / high area without substituting and dividing. HE IS THE BEST PHYSICS TEACHER EVERRR

  55. Lizz Thatvegan

    Lizz ThatveganPred 2 meseci

    I can guarantee I would have passed science if you were my teacher. I hope your dream comes true because I think you could help influence younger people to pursue science. It took me until age 35 to not be afraid of it and part of that is because of your videos so...thank you for being awesome.

  56. MrChickinMan

    MrChickinManPred 2 meseci

    i love how the whole comment section is mainly about mark as a physics teacher, how he says his dream job is to be a high school physics teacher even though he used to work at nasa, and how he hates public speaking

  57. Luke Ford

    Luke FordPred 2 meseci

    I would actually do my homework

  58. Kian

    KianPred 2 meseci

    Who is still rewatching it in 2021?

  59. Roselle Nuñez

    Roselle NuñezPred 3 meseci

    the only online class i would like to attend

  60. Kakashi Hatake

    Kakashi HatakePred 3 meseci

    I never sucked helium EVER AND IM MAD AND REALLY SAD ABOUT THAT

  61. Dia

    DiaPred 3 meseci

    1 year later.......hello.

  62. Cunt

    CuntPred 3 meseci

    You would definitely be the best physics teacher.

  63. Swarm Gam3r

    Swarm Gam3rPred 3 meseci

    When your teacher does a whole topic on this and mark covers it all in 10 minutes 🤔

  64. Pacey Hoskins

    Pacey HoskinsPred 3 meseci

    how cool would it be if mark was your teacher

  65. heavygar

    heavygarPred 3 meseci

    at 17:33 merica

  66. Leah Dunley

    Leah DunleyPred 3 meseci

    True! If he was a science teacher then I would not be bored at all ever!

  67. BRAYAN PLACK

    BRAYAN PLACKPred 3 meseci

    fun fact it took the horn 11 secands to get to them

  68. VINCENT VELASQUEZ

    VINCENT VELASQUEZPred 3 meseci

    Cool

  69. BRAYAN PLACK

    BRAYAN PLACKPred 3 meseci

    yeah kids do ask why alot

  70. Thebest Day

    Thebest DayPred 3 meseci

    I wish he were my physics teacher, class would be so fun

  71. YUNUS PIRIM

    YUNUS PIRIMPred 3 meseci

    if mark loves the word why then the world will be: why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? why? :)

  72. YUNUS PIRIM

    YUNUS PIRIMPred 3 meseci

    mark should make M.R.F.R. (mark rober physics robot)

  73. Ishuman Chaudhary

    Ishuman ChaudharyPred 3 meseci

    Tomorrow's someone's birthday. Dropping a video would be a treat for us, even for the celebration.. Love you Mark. Happy birthday in advance.

  74. jdnh47

    jdnh47Pred 3 meseci

    THIS IS NOT THE CORRECT EXPLANATION. First, weight of the air molecules does NOT have much of an effect on the frequency at which vocal chords vibrate. Vocal cords vibrate at a rate primarily determined by the elastic force of the muscle. Think of a pure vs damped oscillator. Damping doesn't change the frequency by much. To change the frequency by even a small, but detectable amount, you'd need a significant change in damping force relative to the elastic force of the vocal muscles, and this simply isn't so. Further, this effect simply can't explain the drastic differences we hear in the video. But if the frequency doesn't change, why do the voices sound so different? First, you need to understand that nearly the entirety of your voice actually comes from resonance. THE VOCAL CHORDS THEMSELVES SIMPLY MAKE A HIGH BUZZING SOUND - kind of like the mouthpiece of a woodwind or brass instrument. IT IS THE SHAPE OF THE INSTRUMENT / YOUR VOCAL TRACT AND HEAD that gives your voice it's primary quality and tone. Now for the final piece of the explanation: A RESONANT CHAMBER RESPONDS TO WAVELENGTH, NOT FREQUENCY. (With your vocal tract and head consisting of many complex resonant chambers). Namely, a resonant chamber will resonate primarily with sounds that have a wavelength that is roughly the same length as it (with a factor 2 or 4 depending on open/closed tube), as well as harmonic wavelengths that are an integer fraction of the fundamental wavelength. THE FUNDAMENTAL (same length as resonant chamber, with a factor of 2 or 4 depending on open/closed tube) WAVELENGTH RESONATES THE MOST, WHILE SHORTER HARMONIC WAVELENGTHS RESONATE LESS AND LESS (the higher the harmonic is). Now consider: WHILE FREQUENCY IS THE SAME, WAVELENGTH GETS LONGER IN HELIUM because the speed of sound is greater (lighter molecules propagate sound faster, and remember relationship that (speed of wave) = (wavelength)*(frequency)). This means that LOWER FREQUENCIES GET FILTERED OUT IN HELIUM BECAUSE THE WAVELENGTH BECOMES TOO LONG TO RESONATE. Likewise, HIGH FREQUENCIES ARE AMPLIFIED BECAUSE THEIR WAVELENGTHS BECOME CLOSER TO / EXACTLY THE FUNDAMENTAL WAVELENGTH FOR A GIVEN RESONANCE CHAMBER. And thus your voice (which consists of many frequencies overlayed) sounds higher with helium because higher frequencies are amplified/resonate more and lower frequencies are suppressed. Also, you can think of it a bit like a high pass filter. Hope this clears things up, because there's a lot of contradicting stuff out on the internet, and I've done a lot of digging.

  75. Awesome Guy

    Awesome GuyPred 3 meseci

    What school are you going to teach at, because I want to enroll in it now!

  76. Patricia Anguiano

    Patricia AnguianoPred 3 meseci

    “5 seconds for every mile in freedom units uh I don’t know what it is in kilometers... ‘America!’” *raises his hand* That had me laughing so hard!

  77. Timmeh

    TimmehPred 3 meseci

    losrt

  78. welkcub nairb

    welkcub nairbPred 3 meseci

    Can anyone explain the down votes? I do not get it

  79. SUBMINALAURA

    SUBMINALAURAPred 3 meseci

    I learn more in this than i would learn in a single science lesson in class

  80. Sean Corbett

    Sean CorbettPred 3 meseci

    my science teacher is sooooo boring... Mark would make things waaaayyyy better

  81. irgikalisca

    irgikaliscaPred 3 meseci

    11:05

  82. Heshu Kawi

    Heshu KawiPred 3 meseci

    im bout to do my 10th grade exams i saw the first clue and knew what it was. can i just say im very proud of myself :")

  83. Daman Singh Chawla

    Daman Singh ChawlaPred 3 meseci

    this is real science

  84. Nagarjun Kashyap

    Nagarjun KashyapPred 3 meseci

    The balance between a five year old and a PhD is a five and a half year old. Change my mind.

  85. Shawn Gillen

    Shawn GillenPred 3 meseci

    I’ve been an Architect for 20 years and have loved everything about science my entire life. I had NEVER had someone explain why helium makes your voice higher! I found myself smiling at that “Eureka” moment. My 16 year old son loves everything you’ve ever done and I’m glued to my screen every video as well. Keep up your enthusiasm; it’s addictive.

  86. Sean Subando

    Sean SubandoPred 3 meseci

    This is the first time I listen to class

  87. Fredbear Adventures

    Fredbear AdventuresPred 3 meseci

    To all scientist If anyone has a class with mark rover Make me trade lives with them

  88. Captured with Iphone

    Captured with IphonePred 3 meseci

    i have nothing to say other than, wow I LOVE U. like do more of these videos PLEASE:)

  89. Arif Zamri

    Arif ZamriPred 4 meseci

    hey what you're doing ! Respect the class please

  90. Charls Insigne

    Charls InsignePred 4 meseci

    I'd be lucky if my teacher in science physics is you but dang I live in ph

  91. Lynx Majic

    Lynx MajicPred 4 meseci

    7:30 "There's no fluid" Flap flap 😂😂😂

  92. Fick Dich

    Fick DichPred 4 meseci

    Why do you have to wait for a qualification? İf anything they have to check how overqualified you are

  93. Lilli and Sara

    Lilli and SaraPred 4 meseci

    Mark: through your computer or phone Me who's watching on an ipad: ;-; why to I exist

  94. Lucky 360

    Lucky 360Pred 4 meseci

    I don’t think this is correct. Your vocal cords vibrate at the same frequency for all 3 gasses. The reason your voice is higher with helium is because the speed of sound is faster through that gas due to its lower density (and similar compressibility) than air. This changes the resonances of your vocal tract by making it more responsive to high-frequency sounds, so the low parts of your voice are still there, they’re just not as prevalent as the higher pitch ones with the helium. Someone please correct me if I’m wrong though, this is just what was taught to me in physics.

  95. adam king

    adam kingPred 4 meseci

    You are the Keanu Reeves of physics. My daughter loves you and your videos and for that I thank you.

  96. Prem Parekh

    Prem ParekhPred 4 meseci

    Does that mean that speaking with the sulfur gas would be harder? And speaking with the helium gas would be even easier than talking normally? Someone answer lol

  97. ting durrans

    ting durransPred 4 meseci

    Ur the ONLY one who I would watch teaching physics 1 like = 1 person that agrees

  98. ting durrans

    ting durransPred 4 meseci

    I love how many times Mr . rober kept saying “we’re live”

  99. Chuck

    ChuckPred 4 meseci

    *pre Donald Trump* Americans: "MERICA!! YEEAH" *after Trump* Americans: 17:33 .........merica..

  100. Crantrex

    CrantrexPred 4 meseci

    Like breathing in sulllffuuuuuuuuuuuuuur

  101. Dreanne Music

    Dreanne MusicPred 4 meseci

    Mark: my dream job was to be a highschool teacher Also mark: doesn't like public speaking

  102. Magnús Ari Guðmundsson

    Magnús Ari GuðmundssonPred 4 meseci

    helium is lighter than air

  103. Rumples & Things

    Rumples & ThingsPred 4 meseci

    Ty from Dude Perfect sucked in sulfur hexafluoride for DP's 2019 tour Cool Not Cool!

  104. Michael Dombroskie

    Michael DombroskiePred 4 meseci

    Left the mouse on the screen when playing a video like any teacher would.

  105. Verzo Music

    Verzo MusicPred 4 meseci

    Never been interested in this things, just curious BUT I love how this guy explains! I’ll be here if he drops more classes :)

  106. Eli Adest

    Eli AdestPred 4 meseci

    I love how ppl with high voices actually have stronger muscles than ppl with low voices

  107. Eli Adest

    Eli AdestPred 4 meseci

    I'll ignore the fact it's just vocal cords

  108. Si Ci

    Si CiPred 4 meseci

    Wait... in 10:02 he says that oil is heavier than water and it sinks. But is should not be exactly the opposite ?