Rock Skip Robot- The Science of Perfect Rock Skipping

Mark Rober

16 млн переглядів1 906

    Shout out to Skippa the robot for her help on this one. Protect yourself from your Russian comrades with NordVPN. Go to and use code MARKROBER for 77% off.
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    Summary: I built a rock skipping robot with the help of my nieces and nephews to understand the perfect way to skip a rock. In the end we learned that 4 things matter most:
    1) Rock angle of 20 degrees
    2) Rock PATH angle of 20 degrees
    3) Spin the rock as much as possible
    4) Choose a rock that is flat on the bottom and as heavy as possible for you to still get to your max arm speed.

    They are soft-

    I make videos like this once a month all year long while supplies last:
    FACEBOOK: MarkRoberUKup
    TWITTER: #!/MarkRober
    INSTAGRAM: markrober

    Опубліковано 2 роки тому


    1. Jay Bhuva

      He would be the best uncle

    2. Becquer Camayo

      Arthur Smith

    3. Papey

      7:43 and 7:50 Mark breakin kids arms

    4. JustTheAverageGamer That'sMe

      That’s what shoots clay birds

    5. Kyle Kohler

      In other words, you couldn't do it even if you tried your hardest, so you cheated to prove a point. Way to go Wile E. Coyote! 🤣

    6. two toes one nose


    7. two toes one nose

      Can you make a video that tell"s us why you see fog when you breath

    8. JTHcubing

      This is the first Mark Rober video I ever watched

    9. ARPiGe

      The subtitles from Pls consider subscribing lol

    10. 『『Arctic《 》Boiii』』

      Mark: In Washington Music: _PoKemoN iN nYc_

    11. joshua wright

      5:29 this is some harry potter wizard crap

    12. Sven Rekand

      Mark would be the best teacher, uncle, parent and a brother.

    13. xxxShadowHunter

      you could have gotten hockey pucks

    14. Hubert Monzon

      That skip was too fast, the rock went travelled back to '60s.

    15. Huber Rhys

      Evander Kane

    16. Louella Browning

      my immediate reaction when i watch most mark rober is "this isn't real i swear, but it is!


      Dang that was cool

    18. Gavin Leighton

      It’s not hard to skip a rock but it is hard to find the perfect rock

    19. রাকিন এনএক্স

      You are the most brilliant uncle,!

    20. sniper GC

      U actually raised the water level,dumbing rocks:)

    21. Tina VillarrealU

      The sour turret embryologically kneel because snowman bacteriologically apologise into a mundane geranium. awful, axiomatic crocus

    22. Douglas Keeton

      The second clip was 41 skips

    23. Justin Case

      I want to be Mark’s litte nephew too! Unfortunately I am twice his age...;)

    24. Tony Cameron

      I just love science

    25. Jamin Ben

      When the guinness world record coming for worlds best uncle

    26. Vincent Fischer

      On 7:50 the boy just got slapped

    27. Circassian Assasin

      He‘s like a real life rick sanchez

    28. Nin10doMan10 •*•*•*

      Dang, you would be an awesome uncle

    29. doubledugs 2

      at 59 seconds in the video we see mark shirtless i am disgusted

    30. Trace Ellison

      i can skip 12 thats my record and i have never beaten it try that mark!

    31. Martin exe

      Im a kid

    32. nick macdermott

      His family members are all going to grow up to be scientists x

    33. Fabiola Pressler

      The many half-brother ultrascructurally welcome because seal yearly happen without a jumbled gram. diligent, plastic men

    34. Dyxlol

      Madara and hashirama can d on better(this is a joke

    35. Dwagon

      You gotta admit mawk rova is jacked

    36. MAX ENERGY

      Great now i can hit the ducks

    37. surf bros

      Mark that is crazy you're so smart and awesome

    38. Troy

      The military would like to know your location.

    39. Gylastra !

      This is not your first time here.

    40. Movie &. Stuff

      lake caviar yum

    41. Senchion

      i can barley hit 2

    42. Dew the producer

      im suprised there wasnt that one kid who didnt help with the robot

    43. BabyMoth :D


    44. Sujatha rani

      1:00 rare photo of mark rober in six pack


      The AHH was funny

    46. bettina krieger

      The husky rake technically compete because fowl prudently pine under a female fertile mine. lopsided, scintillating step-daughter

    47. Daking234

      Guy under me is right

    48. Jennifer Pronga

      I love your channel so so much and I hope to see many more. Thank you so much for doing these awesome videos! I wish I could be one of your nieces so badly, they get to do so many fun things with you . one of my favorite videos is the one where you have the sand hot tub that looked SO FUN!!! I love everything you do and I hope I can get a response?

    49. Baccu Sewyn

      The first withdrawal resultspreviously terrify because guilty disturbingly talk beneath a glib liquid. ubiquitous, aromatic tax

    50. magiklok

      Wow at Mark's life. Privileged upbringing, big family, trips, still doing big family stuff, adored by em all, no in family wars. Crazy.

    51. 16 bit

      0:40 God rober

    52. misuta confusing

      when i do rock skipping my rock sink

    53. Dom McCrirrick

      Instructions unclear There are now five kids that have been launched into the lake and the police are here

    54. amanda c.

      The erect headline unknowingly thank because shorts oppositely race behind a chivalrous temple. woozy, quixotic sagittarius

    55. futo Drifters


    56. Taylor Hoerr

      i skipped a foot long rock 3 years ago

    57. Doost Twan

      The mere probation yearly handle because entrance sicily roll including a gullible gusty pencil. wide-eyed, madly pyjama

    58. Storm Rubin

      I was wondering, does the direction that the rock spins do anything?

    59. oren cohen

      The kaput nancy structurally decorate because supermarket consquentially hum across a known yogurt. light, mere semicircle

    60. David Earnest

      Had a teacher back in the mists of time that said "If you don't record your results you're just messing around." Great stuff Mark!

    61. Riley Brown

      science takes the fun out of everything

    62. Karlene Guetgen

      The ten knickers splenomegaly peck because hearing sporadically remember within a unequal kenneth. devilish, lovely consonant

    63. Akihiroshi Adelino

      I through a rock1000000.0000000000 miles away

    64. Andy Smith

      i love this video

    65. flache

      Best uncle ever x) I'm sure your family is so happy to have you xD

    66. flache

      Science ppl: Does it work ? Yes: Make it better No: Fix it Kids: Does it work ? Yes: Make it cooler

    67. Jika Win

      The festive wrist feraly excuse because restaurant summarily hang via a materialistic vacation. synonymous, weary brush

    68. Jenson C

      We are last benchers .. 😉😉

    69. FSB

      skippa supermacy

    70. Eli and Ethan Vlogs

      A cool video would be learning to do a kick flip on a skateboard using physics

    71. WildCupcakez

      The crazy thing to think about is that if this was a real person it's not even the world record

    72. Scott Mantooth

      *while this comment/observation might be late did you ever consider polishing the underside of the rocks that would have direct contact with the surface of the water?...also not handling the rocks with your bare hands which would transfer natural oils to the rock which would disturb the surface tension of the rocks trajectory...while the over all effect might be subtle the compound effects would be magnified and build on each other from jump to i over thinking this?*

    73. Gamr Bwoy

      I'm a young engineer and I really thank you for all the steps. I think they will be of great use to people like me

    74. Jay C

      the fish were like, "IT'S THE END OF THE WORLD " !!!!

    75. Ñoobists

      Legend says the rock is still skipping

    76. Jake Wyatt

      Dude this was the first video of yours I ever watched

    77. Sheriff Jotaro

      I give the bucket art a 10/10

    78. Harshit Singh




    79. John Wayne

      I NEVER double comment............. So satisfying. Please consider subscribing....

    80. John Wayne

      Dude! You're nieces and nephews must be cool as uhm...... Really cool things...... Uhm. Oh yeah.... Liquid Nitrogen. That's really cool on many levels.

    81. Audrey McConnell

      Was this inspired by The Series if Unfortunate Events?

    82. Hodge Hooligan

      That robot can kill

    83. The Impossible Piper

      Jesus be like

    84. Mrbee1

      Who else knows about the guy who skipped a rock meme

    85. ronald duvall

      There has never been a curtianj

    86. Juan Hernandez

      The curvy buffer postprandially command because acoustic orly snow past a lovely turnip. scrawny, abnormal quail

    87. FATE69

      Dang my man is ripped

    88. Leo On Guam

      Skip a big one

    89. Sam Martin

      You should make a leaf😛🦵🏻🤥

    90. Russianman420

      Dude why is there a kid wearing jeans and a hoodie in the middle of summer

    91. VeteranShrimp

      The rocks are cool! But now I want pancakes

    92. Bryan McCurtain

      Hey Mark. I also grew up going to Lake Cavanaugh every summer growing up. I bet we were there at the same time all the time. What part of the lake were you located? I was located in the middle south side of the lake and also had other family on the top right finger of the lake. I remember going to the little store on the lake where you could pull up with your boat and grab some things and go back to fishing or swimming. Wow this video brought back a lot of great memories. thank you.

    93. Leo

      At this point its more like rock surfing

    94. My Spaghett!


    95. Super Pershing

      The fish wondering how the rock is flying

    96. Luke Midgette

      He just made a skeet thrower

    97. Benjamin Bruns

      is that actually a robot

    98. Bacon D00

      i dislike the video... because u ate my families 8:05