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Mark Rober

@markrober · science, experiments, hacks

open on instagram

Former NASA & Apple engineer. Current YouTuber and friend of science. Founder of @crunchlabs

https://teamwater.org/

3.1M followers
29 reels read
372x best outlier
23.9x typical
339M views in here
11 Mar 2026 newest

how they make thembroad appeal, key props, high energy, right length, broad topic, fast pacing, clear story, simple story

mark roberscience experimentviral shortscience trickviral experimentsports sciencechemical reactionscience videoscience projectphysics experimentscience mythscience testcomedyscience lessonhow it worksfun sciencesoccerfootballcool sciencescience factsphysicsscience explanationshort videocristiano ronaldo

29 reels in the database, most viral first

1

@markrober Mark Rober · 28 Nov 2025

372x outlier

Mark Rober tests his robotic soccer goalkeeper against star player Cristiano Ronaldo to see if technology can block his penalty kicks.

79M views
2.9M likes
21K comments
45K shares
32K saves
3.1M followers
58s long
3.6% liked
hookViewers stop scrolling because famous soccer star Cristiano Ronaldo takes on a robotic goalkeeper in a high-stakes match.
  • Famous star. Cristiano Ronaldo appears on a bright green soccer field under bright stadium lights.
  • Upbeat music. Energetic music starts playing right away.
  • Big question. Onscreen speech asks if a robot can block kicks from the best player.
  • Broad appeal. Soccer fans and tech fans both want to see this match.
retainPeople keep watching to see if Ronaldo can score a goal against the fast robotic goalkeeper.
  • Simple goal. Ronaldo gets three tries to score against the robot.
  • Real proof. High speed cameras show the robot moving quickly to block hard shots.
  • Fast pacing. There are 31 shots in 57.9 seconds, a new shot about every 1.9 seconds.
  • High tension. Ronaldo misses his first two shots, which builds suspense.
  • Genuine reactions. Teammates and Mark Rober show surprise and excitement.
rewardViewers feel amazed by smart technology and entertained by the fun soccer competition.
  • Cool tech. Viewers learn how tracking cameras help a robot react in real time.
  • Fun excitement. Watching a famous star compete with a machine is exciting.
  • YouTube invite. The video ends with an invitation to watch the full outcome online.
mark robercristiano ronaldosoccer challengerobot goalkeeperpenalty kicksports sciencet-mobile 5gviral shortfootball videoronaldo vs robothigh speed cameratechnology demo

Ronaldo vs My Goalie Robot. Thanks to @tmobile for helping me get my latest invention ready to take on @cristiano at his own game! #sponsored

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2

@markrober Mark Rober · 26 Sept 2025

195x outlier

Two men trigger three levels of huge elephant toothpaste foam reactions that shoot up and cover the room.

41M views
1.5M likes
1.5K comments
0 shares
0 saves
3.1M followers
29s long
3.7% liked
hookA man in a lab coat standing next to big glass flasks instantly grabs attention with colorful chemicals.
  • Host appearance. A man wearing a lab coat and a man in a t-shirt stand behind glass flasks filled with liquid.
  • Bright room. The room is a large indoor lab with bright overhead lights and wooden tables.
  • Fun sound. Upbeat cheerful music plays as colorful liquids mix and foam shoots into the air.
  • Clear text. A progress bar with a percentage pops up at the top to show the reaction level.
  • Broad appeal. Big colorful chemical reactions appeal to anyone who enjoys fun science experiments.
retainViewers stay to see how massive the final foam explosion gets at maximum power.
  • Growing scale. The video scales up from small flasks to massive buckets that flood the whole floor.
  • Visual action. The reaction happens right on screen without long explanations.
  • High energy. The creators scream with excitement and run away as foam erupts.
  • Measured cuts. Nine shots in 29.2 seconds keep the video moving at a steady pace with eight cuts.
  • Key props. Large buckets, colorful liquids, and protective face shields make the science look like a huge event.
  • Clear steps. The percentage bar makes it simple to follow the three increasing stages.
  • Right length. Under thirty seconds is just enough time to showcase all three levels without dragging.
rewardViewers get a fun thrill watching giant clouds of foam expand instantly across the room.
  • Pure excitement. Watching giant foam shoot high up into the air gives a sudden thrill.
  • Visual shock. The huge scale of the final eruption surprises the viewer.
  • Fun energy. The host screaming and fleeing from the growing foam creates a funny moment.
mark roberelephant toothpastescience experimentchemical reactiongiant foamscience videofun experimentsindoor labfoam explosionbig reactionsscience projectscience tricks

3 Levels of Elephant Toothpaste

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3

@markrober Mark Rober · 12 Oct 2024

175x outlier

A giant robot mouse flips over bigger and bigger objects on a warehouse floor.

37M views
1.1M likes
1K comments
0 shares
0 saves
3.1M followers
34s long
2.9% liked
hookA bright watermelon sits on the floor while a giant metal mouse robot races toward it.
  • Visual hook. A bright red watermelon sits in the middle of a smooth concrete floor.
  • Setting up. Men stand inside a plastic box watching a giant robot mouse with red eyes.
  • Audio queue. Upbeat music plays while mechanical motors hum.
  • Onscreen icons. Five emoji icons at the top show a watermelon, a mannequin, a piano, a car, and an elephant.
  • Broad appeal. Anyone who likes big action wants to see what the robot mouse will smash first.
retainThe robot flips bigger and heavier things until it meets a giant elephant.
  • Silly progression. Each target gets bigger, moving from a fruit to a dummy, a piano, and a whole car.
  • Action focus. The video shows the robot slamming into objects without spending time explaining the tech.
  • Genuine reactions. The men inside the plastic box jump and cheer wildly as items launch into the air.
  • Shot pacing. Twelve shots across 33.6 seconds keep the visual energy high with a new shot about every 2.8 seconds.
  • Key props. The custom robot mouse and massive objects create wild moments that keep eyes glued to the screen.
  • Clear story. The sequence follows a clear ladder from smallest object to largest object.
  • Right length. At just under 34 seconds, the video ends right as the joke reaches its peak.
rewardViewers get a fun surge of energy watching giant objects get launched into the air.
  • Fun destruction. Watching heavy objects smash and break feels exciting.
  • Surprising twist. Seeing a real elephant at the very end brings a big laugh.
  • Childlike joy. The chaotic flips make viewers feel like kids watching stunt shows.
mark robergiant robot mouseflipping objectscar flippiano smashdestruction testfast pacingfunny stunthigh energyscience experimentspectacleviral shortbig flip stunt

The busted Craigslist piano hitting the ceiling part was unexpected.

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4

@markrober Mark Rober · 20 May 2025

167x outlier

Mark Rober shows how ticking metronomes set on a moving board slowly line up to swing in rhythm.

36M views
1.6M likes
4.8K comments
0 shares
0 saves
3.1M followers
1:03 long
4.4% liked
hookA man leans over two metronomes ticking out of sync on a floating board.
  • Bright setting. The video starts inside a clean workshop with bright overhead lighting.
  • Curious host. Mark Rober wears a cap and looks closely at two small red metronomes.
  • Ticking sounds. Loud clicking sounds play as the metal pendulums swing side to side.
  • Count overlay. Bright orange boxes show the number of metronomes and a running timer.
  • Broad appeal. Anyone who likes cool science demos or matching patterns will want to watch.
retainThe test grows bigger as more metronomes are added until a giant table lines up together.
  • Visual proof. The video shows the science happen rather than explaining hard math.
  • Steady pacing. There are 9 shots in 62.6 seconds, with a new shot about every 7.0 seconds.
  • Growing scale. The board grows from two metronomes to twenty and then one hundred forty.
  • Key props. The lightweight board sitting on loose cans lets the vibrations travel across.
  • Simple steps. Watchers see the chaotic clicking slowly match up into a single clean beat.
  • Good length. The time fits the real duration needed to watch the devices align.
rewardViewers feel amazed watching complete disorder turn into a single rhythm.
  • Cool science. Seeing over a hundred wild devices sync up feels like magic.
  • Oddly satisfying. Hearing all the clicking metal arms hit at the exact same moment feels good.
  • Shared excitement. The team smiles and claps when the giant table succeeds.
mark robermetronome synchronizationphysics experimentscience tricksatisfying soundsrhythmic alignmentrolling boardlab testphysics demomechanical magicsync testchaos to order

Metronome Synchronization Is Like Magic

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5

@markrober Mark Rober · 6 Sept 2024

141x outlier

A science test shows that pool water only smells like chlorine when urine is added to it.

30M views
1.1M likes
9.8K comments
0 shares
0 saves
3.1M followers
59s long
3.6% liked
hookA bold promise on screen and a line of filled jugs pull the viewer into a strange science test.
  • Bold visual. A man stands behind two white buckets in a green backyard.
  • Bright colors. Sunlight illuminates yellow jugs lined up in front of a blue pool.
  • Catchy audio. Voiceover begins immediately with an exciting claim about a terrifying experiment.
  • Text overlay. Big white letters announce the most terrifying experiment.
  • Broad topic. Everyone who has been to a pool knows the smell of chlorine.
retainThe step by step test keeps viewers watching to see if the surprising claim is actually true.
  • Surprising fact. The video shows that clean water with chlorine has no pool smell at all.
  • Clear demonstration. The host fills two buckets and adds pee to only one to compare them.
  • Energetic performance. The host acts curious and genuinely shocked by the result.
  • Fast editing. There are 28 shots in 59.2 seconds, with a new shot about every 2.1 seconds.
  • Simple setup. White buckets and yellow liquid make the test easy to understand.
  • Easy story. The video follows a clear order from setup to wait time to final smell test.
  • Perfect pacing. The short length gives just enough time to test the idea without slowing down.
rewardViewers learn an unexpected science fact while laughing at a common summer memory.
  • Learned something new. Viewers find out that the classic pool smell comes from pee mixed with chlorine.
  • Funny revelation. The host realizes his favorite childhood summer memory smells like pee.
  • Simple explanation. Complex pool chemistry is turned into a quick and easy home test.
  • Shared nostalgia. Clips of public pools remind viewers of swimming during summer vacations.
mark roberpool smellchlorine testscience experimentpee in poolwater experimentscience mythfunny sciencesummer memoryscience testbucket experimentsmell testpool truth

Turns out nostalgia smells like pee

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6

@markrober Mark Rober · 9 Dec 2024

44.6x outlier

Two men pull giant cheese sticks apart to see how far the melted cheese can stretch across a room.

9.5M views
528K likes
225 comments
0 shares
0 saves
3.1M followers
38s long
5.6% liked
hookThe quick close up of white gloves pulling a warm cheese stick makes viewers stop to see what happens.
  • Visual entry. White gloves grab a small cheese stick up close.
  • Bright room. A big kitchen studio has clean counters and bright lights.
  • Upbeat sound. Excited voices and upbeat music start right away.
  • Bold text. Big white letters state the level number and the measured length in centimeters.
  • Broad topic. A cheese pull challenge appeals to viewers of all ages.
retainViewers stay to watch each level get bigger until the final giant cheese stick stretches across the whole room.
  • Level progression. The cheese sticks grow bigger and stretch further with each round.
  • Show not tell. The men pull the cheese across the floor instead of just describing it.
  • Happy energy. Both hosts cheer and laugh as the cheese reaches crazy lengths.
  • Steady pacing. The video uses 12 shots in 38.2 seconds to give each level time to build excitement.
  • Simple props. Giant fried cheese sticks and white gloves make the test look like a game show.
  • Clear story. The level numbers help viewers follow the challenge step by step.
rewardViewers enjoy a fun challenge and feel amazed by how far the cheese stretches.
  • Big laughs. Watching a man run across a room holding a thin line of cheese makes people smile.
  • Amazing sight. Seeing melted cheese stretch over six meters feels super cool.
  • Tasty snack. The warm cheese and red sauce make viewers want to eat cheese sticks.
mark roberstretchy cheesemozzarella stickcheese pullworld recordlevel challengegiant foodkitchen experimentfun videoscience testfood testcomedystretch challengeeating cheese

This Is The Worlds Stretchiest Cheese!

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7

@markrober Mark Rober · 5 Aug 2025

43.5x outlier

Mark Rober explains how vinyl record players work by building a simple machine that records and plays sound using tin foil.

9.2M views
396K likes
763 comments
0 shares
0 saves
3.1M followers
51s long
4.3% liked
hookA man yelling into a paper cone attached to a strange wooden machine instantly makes viewers curious.
  • Bright face. A man in a grey cap and sweatshirt holds a cone close to his mouth with a big expression.
  • Clean workshop. The background is a bright workshop full of tools and colorful gear.
  • Funny sound. He screams into the cone and turns a wheel to play back a squeaky noise.
  • Big audience. Anyone who loves music, science, or building cool gadgets will want to see how this works.
retainDetailed animations and close-up shots keep the viewer interested while the science is made clear.
  • Cool science. The video shows how sound turns into physical bumps on a record surface.
  • Showing the proof. A close-up view of a needle riding in a record groove makes the idea easy to see.
  • High energy. The host talks with high energy and smiles throughout the demonstration.
  • Steady shot pacing. The video uses 21 shots in 51.0 seconds to give every step enough room to be clear.
  • Clever props. A tin foil cylinder, paper cone, and vinyl record make the science visible.
  • Simple story. The video starts with a question, explains the science, and proves it with a working device.
  • Perfect length. The whole demonstration takes under a minute and leaves no extra fluff.
rewardViewers learn the basic science behind vinyl records in a simple, fun way.
  • Clear learning. You learn that sound waves make a needle vibrate to carve grooves into foil or plastic.
  • Satisfying result. Seeing the simple machine play back his voice feels like a fun magic trick.
  • Cool insight. Looking closely at a vinyl record makes an old technology feel fascinating.
mark roberrecord playerhow vinyl worksscience experimenttin foil phonographsound wavesphysical audioscience lessonsimple machineaudio grooveshow it worksscience video

How Record Players Actually Work!

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8

@markrober Mark Rober · 27 Jul 2024

40.8x outlier

A man builds a giant backyard pool filled with 30,000 pounds of red gelatin so kids can belly flop into it.

8.7M views
407K likes
347 comments
0 shares
0 saves
3.1M followers
1:00 long
4.7% liked
hookThe video starts with a huge visual difference between a tiny block of jello and a giant red pool.
  • Man speaking. Mark Rober holds a small dish of red jello while standing in a bright kitchen.
  • Kitchen setting. The indoor space is clean and bright before cutting to a backyard on a sunny day.
  • Upbeat voiceover. Quick spoken words set an energetic and fun tone right away.
  • Bold text. Large white text with a black outline highlights key numbers on screen.
  • Massive appeal. Jumping into a giant pool of jello appeals to anyone who ever had a childhood dream.
retainFast editing and a step-by-step build keep viewers watching to see if the giant jello pool actually works.
  • Wild idea. Making 30,000 pounds of red jello in a backyard is extreme and surprising.
  • Showing the process. He shows the diggers, giant steel barrels, and temperature charts instead of just talking about them.
  • High energy. The creator stays excited and cheerful throughout the video.
  • Fast pacing. The clip uses 42 shots in 59.6 seconds, which means a new angle lands about every 1.4 seconds.
  • Key props. Custom metal drums and a backyard pool lined with plastic make the giant build possible.
  • Clear steps. The story follows a simple path from small idea to digging, heating, cooling, and testing.
  • Perfect length. Under one minute is the right length to show months of hard work without slowing down.
rewardViewers feel inspired by a creative project brought to life and entertained by seeing people jump into jello.
  • Childlike wonder. Seeing someone fulfill a funny childhood dream makes people feel happy.
  • Pure fun. Watching a boy belly flop into thick red jello is funny and enjoyable to watch.
  • Creative inspiration. The build shows how smart planning and weather science can turn a big idea into reality.
  • Satisfying visuals. A bowling ball sinking into smooth jello offers a nice visual reward.
mark roberjello poolgiant gelatinbackyard experimentengineering challengebelly flopred jelloscience projectoutdoor buildfun scienceviral experimentpool trickfun build

I think this would be the life accomplishment 8 year old me would be most proud of

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9

@markrober Mark Rober · 30 Oct 2024

36.8x outlier

Two men launch metal pots into the air using fireworks that get bigger with each level.

7.8M views
541K likes
2.8K comments
0 shares
0 saves
3.1M followers
53s long
6.9% liked
hookViewers stop scrolling because metal pots line a desert floor beneath bright firework icons, promising big launches.
  • Visual setup. A man stoops over metal pots set on the dusty ground.
  • Top graphics. Bright firework pictures sit above in the clear blue sky.
  • Upbeat sound. Fast drum beats play while people shout with excitement.
  • Broad appeal. Anyone who likes big explosions or fun outdoor tests will want to watch.
retainViewers stay to see if the final firework can send the heaviest pot hundreds of feet into the sky.
  • Level progression. Each test uses a stronger firework to launch a pot higher than before.
  • High energy. The hosts jump, cheer, and high-five after every single blast.
  • Fast pacing. The clip cuts through 38 shots in 53.3 seconds, keeping the speed high.
  • Visual impact. Slow motion clips show smoke and sparks pushing pots into the air.
  • Simple story. The goal is clear right away, so the steps are very easy to follow.
rewardViewers leave feeling thrilled and entertained by a high-flying desert experiment.
  • Big excitement. Watching heavy pots shoot high into the blue sky feels wild and fun.
  • Shared joy. The happy cheers from the creators make the viewer feel good.
  • Cool science. Viewers see the powerful force generated by different types of fireworks.
mark roberfireworksmetal potsoutdoor experimentlevel up challengeslow motion explosiondesert launchhigh flying potfun sciencediwali celebrationviral experimentloud bang

4 Fireworks vs 4 Metal Pots

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10

@markrober Mark Rober · 6 Feb 2026

36.2x outlier

A creator asks soccer players how many goals they will score and then shows them missing.

7.7M views
316K likes
290 comments
0 shares
0 saves
3.1M followers
39s long
4.1% liked
hookA creator interviews a player on a soccer field before a big match.
  • Famous creator. Mark Rober stands on a bright green pitch in a purple jersey.
  • Big stadium. Bright lights and huge stadium crowds fill the background.
  • Upbeat audio. Fun match commentary plays while players talk.
  • Big graphics. Bright pop up boxes show player names and follower counts.
  • Broad topic. Famous online creators playing sports attracts a huge audience.
retainThe video shows confident player promises followed right away by funny missed plays.
  • Fun contrast. Each player boasts about scoring but fails on the field.
  • Action shows failure. Clips show players tripping or missing instead of explaining.
  • High energy. The players smile and joke around while speaking into the mic.
  • Fast cuts. The video cuts 15 times across 16 shots in 38.7 seconds to stay fast.
  • Matching length. The quick back and forth idea fits the short video length well.
rewardViewers enjoy watching confident stars fail hilariously on the soccer field.
  • Funny misses. Watching confident players miss open shots makes viewers laugh.
  • Silly outcomes. Bold predictions turned into zero goals creates a funny joke.
  • Relatable moments. Seeing famous stars make big mistakes makes them feel human.
  • Light mood. The playful game atmosphere leaves the viewer feeling cheerful.
mark robersoccerfootballcharity matchfamous creatorsinfluencersgame predictionsgoals scoredexpectations vs realityfunny clipssports highlightsblooperssoccer match

pride comes before flop

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11

@markrober Mark Rober · 22 Apr 2025

31.1x outlier

A man drops different objects into a tall clear tank filled with seven layers of liquid to see where each one floats.

6.6M views
248K likes
226 comments
0 shares
0 saves
3.1M followers
45s long
3.8% liked
hookA person stops scrolling to see where heavy objects will float inside a rainbow tank of liquids.
  • Bright tank setup. A giant clear box filled with colorful stacked liquids stands on wheels in a bright studio.
  • Objects lined up. Floating icons at the top show five different objects that will be dropped in.
  • Playful music. Upbeat acoustic music plays softly in the background.
  • Big curiosity hook. Anyone who likes science tricks or satisfying liquids will want to see what happens.
retainViewers keep watching because every object behaves differently as it falls through the layers.
  • Visual science experiment. The creator shows what happens instead of just talking about density.
  • Clear progression. Each object is dropped one by one from the top of the ladder.
  • Shot changes. There are 15 shots in 44.8 seconds, giving a new look about every three seconds.
  • Fun props. The giant acrylic tank and colorful liquids make every drop look impressive.
  • Satisfying conclusion. The video ends with a close look showing where the final item landed.
rewardThe viewer leaves with a fun lesson on liquid density and a satisfying visual experience.
  • Cool science lesson. Viewers learn that different liquids have different densities in a simple way.
  • Visually satisfying. Watching objects sink slowly through colorful layers feels fun and calming.
  • Curiosity satisfied. Every drop reveals exactly where that specific object comes to a stop.
mark roberscience experimentliquid densityfloating objectssatisfying visualcolorful liquidstank drop testphysics demonstrationcool science trickdensity towerscience shorts

Liquids are weird...

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12

@markrober Sidemen · 7 Mar 2025

29.8x outlier

Soccer players pretend to sign a contract by scribbling their names on a glass camera lens with a black marker.

6.3M views
331K likes
818 comments
0 shares
0 saves
3.1M followers
1:00 long
5.2% liked
hookA man leans close to the screen with a marker, making the viewer curious about what he is about to draw.
  • Close face. A blonde man wearing a cap leans down close to the screen outdoors on a sunny day.
  • Upbeat tune. A energetic song plays as he pulls out a thick black marker.
  • Bold action. He uncaps the pen and scribbles directly onto the glass lens.
  • Big audience. Soccer fans and internet video fans both want to see who will appear next.
retainViewers stay to see each player take a turn writing their signature on the screen.
  • Silly idea. Each player comes up to the camera and signs their name or draws a funny shape on the glass.
  • Shown not told. The video shows each player signing instead of talking about contracts.
  • Player energy. The players smile, joke, and act excited for the upcoming match.
  • Edit pacing. The video has 27 shots over 59.9 seconds, giving each player a quick turn.
  • Key props. A simple glass panel and black marker make the signatures look like they float in the air.
  • Easy steps. The video follows one clear pattern from the first signature to the last.
  • Right length. One minute is just enough time to show every player signing the glass.
rewardViewers feel excited for the upcoming soccer match and enjoy the fun signature trick.
  • Game hype. Viewers feel excited to watch the big soccer match at Wembley.
  • Funny draws. People laugh at the weird drawings and funny signatures on the screen.
  • Cool trick. Viewers learn a neat way to film people signing an unseen surface.
sidemensoccerfootballsportscontractwembleyplayer signaturesdrawingmarkerglass effectcamera lensmatch hypefunny sportsyoutube creatorsteam announcementsignatures

Sidemen FC contracts have been signed 🤝 See you tomorrow at Wembley ⚽️

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13

@markrober Mark Rober · 24 Jun 2025

29.1x outlier

A man blasts his friend with stronger and stronger water guns until a giant water cannon knocks him down.

6.2M views
186K likes
223 comments
0 shares
0 saves
3.1M followers
29s long
3.0% liked
hookThe sight of a small water gun under a colorful power meter makes people curious to see how big the guns will get.
  • Visual look. A man stands ready to shoot a small water gun while a power meter graphic hovers above.
  • Bright setting. The scene is shot inside a well lit studio with clear polished concrete floors.
  • Live audio. Real water splashes and shouts create an energetic mood right away.
  • Graphic meter. A colorful gauge at the top shows power levels increasing.
  • Broad appeal. Water fights and massive custom gadgets attract viewers of all ages.
retainViewers stay to see if the human target can survive the final massive water cannon.
  • Visual progression. The video shows the water guns getting bigger instead of talking about them.
  • Big reactions. The man on the box laughs and struggles as the water blasts hit him.
  • Fast cuts. With 19 shots in 28.8 seconds, a new camera angle appears about every 1.5 seconds.
  • Wild props. Giant custom water blasters and a fire hose turn a simple game into an impressive stunt.
  • Easy steps. Each shot clearly moves up the power meter from level one to the top.
  • Perfect length. The short run time delivers fast action without taking too long.
rewardThe viewer gets a quick rush of fun and excitement from watching an extreme water fight.
  • Pure excitement. Feeling thrilled when the giant cannon finally fires.
  • Silly fun. Laughing at the over the top size of the custom water blasters.
  • Satisfying payoff. Watching the target splash safely onto thick floor mats.
mark roberhuman vs worlds largest water gungiant water cannonwater blasterwater gun challengepower meterextreme stuntwet splashsuper soakeroutdoor gamesviral experiment

Human vs World’s Largest Water Gun

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14

@markrober Mark Rober · 17 May 2024

27.0x outlier

Mark Rober builds a flying graduation cap drone and launches it during his speech at MIT.

5.7M views
332K likes
321 comments
0 shares
0 saves
3.1M followers
54s long
5.8% liked
hookA flying drone built inside a graduation cap hovers above a huge crowd of students.
  • First look. A black graduation cap with drone blades hovers right over a massive crowd.
  • Setting light. Bright outdoor sunshine lights up a huge college campus field.
  • Speech sound. A man speaks through a microphone while the crowd cheers around him.
  • Text overlay. Large bold text appears word by word across the center of the screen.
  • Broad appeal. Anyone who likes cool tech or funny graduation moments will stop to watch.
retainThe video keeps viewers watching by building up to a practical joke during a real speech.
  • Fun reveal. He explains his plan and shows a clip from his actual speech.
  • Showing it. We see actual footage from the speech and the cap flying into the air.
  • Big smile. The speaker looks excited and proud as he reveals his flying cap.
  • Shot pacing. The video uses 17 shots across 53.9 seconds to keep the story moving.
  • Key props. The custom drone cap is the star of the whole video.
  • Clear story. The clip starts with the speech and ends with the cap taking off into the sky.
  • Good length. Under a minute is just enough time to deliver the joke and show the flight.
rewardViewers walk away amused and amazed by a clever real life prank.
  • Very funny. A funny joke during a formal speech makes people laugh.
  • Totally amazed. Seeing a graduation cap turn into a flying drone is impressive.
  • Good feeling. The happy crowd and cheering graduates feel uplifting to watch.
mark robergraduation speechflying cap dronemit commencementhigh tech prankengineering stuntfunny speech clipdrone flightgraduation ceremonycollege speechinnovative gadgets

Still surprised they let me say ‘diarrhea’ in a commencement speech...

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15

@markrober Mark Rober · 29 Jul 2025

23.9x outlier

Mark Rober teams up with an Indian creator to announce a big cash contest for clever homemade inventions.

5.1M views
251K likes
2.2K comments
0 shares
0 saves
3.1M followers
40s long
4.9% liked
hookA man pedals a bicycle attached to a washing machine overflowing with soap bubbles outdoors.
  • Surprising visual. A man pedals a bicycle attached to a washing machine outdoors.
  • Bright outdoor setting. Sunlight shines through green trees behind a wooden platform.
  • Talking right away. The creator speaks to the camera while pedaling fast.
  • Big text labels. Bold words on screen explain what is happening.
  • Wide appeal. Anyone who likes funny fixes or simple inventions will stop scrolling.
retainFast cuts and funny clips of homemade inventions keep viewers watching to see how to enter the contest.
  • Clever fixes shown. The creators show real examples like a cot turned into a swimming pool.
  • Shown not told. Crazy ideas appear on screen instead of just being talked about.
  • High energy acting. Both hosts talk with big arm movements and wide smiles.
  • Fast video cuts. The video has 23 shots in 40.1 seconds, changing every 1.7 seconds.
  • Simple rules explained. The video clearly explains the prize money and how to enter.
  • Right length video. The short clip gives all the contest details without wasting time.
rewardViewers learn about a cash contest and feel inspired to make their own clever home fixes.
  • Excited for contest. Viewers hear about a huge cash prize for simple home inventions.
  • Inspired to build. Watching funny fixes makes people want to make something clever at home.
  • Fun cultural word. Viewers learn a cool word used in India for simple fixes.
mark roberindiainventioncontestjugaadbicycle washing machinehomemade poolprize moneycreative hacksdiychallengeengineeringsimple solutionsfunny videosredneck engineering

Show Us Your Best Jugaad w/ @dilraj_singh_rawat

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16

@markrober Mark Rober · 20 Aug 2025

23.6x outlier

A man learns a simple trick from a local friend to safely walk across a busy street filled with traffic.

5M views
230K likes
1.1K comments
0 shares
0 saves
3.1M followers
33s long
4.6% liked
hookA man on a busy city street points at someone walking through heavy traffic without stopping.
  • Friendly look. A man wearing a grey cap and blue shirt smiles on a bright sidewalk.
  • Busy setting. Behind him, cars and motorbikes zoom by on a sunny day.
  • Clear audio. Original audio plays with speech and city traffic sounds.
  • Broad appeal. Anyone who has been afraid to cross a busy street can relate to this.
retainFast camera cuts and simple steps keep you watching to see if they cross the street safely.
  • Useful idea. The video teaches two clear rules for crossing a road packed with cars.
  • Fast pacing. There are 19 shots in 32.7 seconds, changing about every 1.7 seconds.
  • Easy steps. The helper explains what to do, and then they try it together.
  • Fun emotion. The helper is calm and funny while the creator acts nervous.
  • Good timing. The 32.7 second length is just right to show the trick from start to finish.
rewardYou learn a helpful trick for crossing crowded streets and feel happy when they make it across.
  • Taught something. You learn to walk at a steady pace and look at drivers when crossing.
  • Funny moment. The helper jokes about subscribing if they survive the walk.
  • Relieved feeling. You feel glad when both men arrive safely on the other side.
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Secret Street Crossing HACK

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17

@markrober Mark Rober · 25 Nov 2024

19.8x outlier

Mark Rober explains how speaker vibration and camera frame rates create frozen water illusions, then shows how to make a real-life frozen water stream with a balloon and tape.

4.2M views
213K likes
152 comments
0 shares
0 saves
3.1M followers
1:00 long
5.1% liked
hookThe video opens with a man holding his hand near a squiggly wave of water that looks completely frozen in mid-air.
  • Visual mystery. A man holds his hand next to a squiggly stream of water that appears frozen in space.
  • Bright setting. The outdoor daylight and bright red speaker box draw immediate attention.
  • Text callout. A red arrow points to the frozen water curve while text calls it a simple science trick.
  • Broad appeal. Anyone curious about cool physics tricks or summer party ideas will stop to watch.
retainThe quick explanation of the camera trick leads directly into an easy science project anyone can try at home.
  • Surprising trick. The creator explains how thirty hertz sound waves match camera frame rates to make water look still.
  • Visual proof. Phone screens and close-up angles show how the camera sees the wave versus the naked eye.
  • Fast pacing. The clip uses 27 shots in 59.8 seconds, cutting about every 2.2 seconds to keep attention high.
  • Simple DIY. The video switches to a simple trick using a water balloon, tape, and a small cut.
  • Clear story. The step-by-step instructions make the fluid physics trick easy to follow from start to finish.
rewardViewers learn the secret behind a viral video illusion and gain a fun science trick to try at home.
  • Science insight. You learn how camera frame rates interact with vibrating water.
  • Fun DIY. You get a simple party trick using basic items like tape and a water balloon.
  • Satisfying view. Watching the water stream hold its smooth shape feels clean and enjoyable.
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This is your key to becoming a summer block party legend.

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18

@markrober Mark Rober · 4 Feb 2026

19.5x outlier

Mark Rober shows how strong an MRI machine magnet is by letting it pull heavy metal tools into a watermelon.

4.1M views
126K likes
998 comments
8.3K shares
4.2K saves
3.1M followers
1:00 long
3.1% liked
hookA man holds a hammer pulled sideways by an invisible force in front of a giant medical machine.
  • Bold visual. A man holds a heavy hammer pulled straight toward a huge white MRI machine.
  • Clear setup. Bright lights inside a metal room make the huge machine look powerful.
  • Clear voice. Mark speaks right away with high energy about a dangerous hospital machine.
  • Wide appeal. Almost everyone knows what an MRI machine is, but few people have seen it pull heavy metal like this.
retainThe creator builds up to a huge watermelon smash using stronger and stronger metal objects pulled by the magnet.
  • Strong idea. The video tests how powerful an MRI magnet is by firing metal tools at a watermelon.
  • Show not tell. A simple cartoon explains the math while real clips show pliers and wrenches flying into the machine.
  • High energy. Mark reacts with big excitement whenever a tool flies into the machine.
  • Steady pacing. The video cuts 19 times across 20 shots over 59.8 seconds, keeping the speed steady.
  • Key props. The MRI machine and heavy tools are essential to show the power of the magnet.
  • Clear story. Each metal tool gets bigger until the final smash with a giant wrench.
  • Right length. Under one minute is the perfect time to show three tests and one big smash.
rewardViewers learn why MRI machines are so magnetic while getting to watch a big smash.
  • Fun science. Viewers learn that an MRI magnet is thousands of times stronger than Earth's magnetic field.
  • Exciting finish. Watching a heavy metal wrench fly across the room and crush a watermelon is very satisfying.
  • Safety lesson. People see why hospitals never allow metal objects anywhere near an MRI room.
mark robermri machinescience experimentmagnetic fieldmagnet powerwatermelon smashflying toolsscience factseducationalphysicsmedical equipmenthospital safetydestruction

Why MRI Machines Are So Dangerous

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19

@markrober Mark Rober · 4 Oct 2024

18.5x outlier

Mark Rober tests whether a viral paper and lighter hack can really control a TV.

3.9M views
180K likes
277 comments
0 shares
0 saves
3.1M followers
48s long
4.6% liked
hookViewers stop scrolling to see if a famous internet trick is actually real or fake.
  • Visual lead. Mark Rober holds up a phone playing a viral video clip.
  • Bright setting. He stands in a well-lit workshop surrounded by neat tools.
  • Clear text. Large text asks if the claim is science or fiction.
  • Broad topic. People love seeing viral internet hacks put to the test.
retainViewers stay watching to see the clear science and math that explain why the trick fails.
  • Simple logic. Mark Rober explains how infrared TV remotes work in plain terms.
  • Clear proof. He shows oscilloscope readings to prove remotes use specific patterns.
  • Steady pacing. There are 18 shots in 47.8 seconds, giving a new view about every 2.7 seconds.
  • Fun animation. A cartoon car and a 60-foot paper strip show how fast a person would need to move.
  • Funny ending. He shows that pushing the TV button directly is much easier.
rewardViewers learn the real science behind remote signals while enjoying a fun bust of a fake hack.
  • Learned something. Viewers understand how light signals carry information to a screen.
  • Felt amused. The funny scale model of the huge paper strip makes people laugh.
  • Satisfied mind. Seeing a fake video exposed with real math feels good.
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Is this science or fiction?

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20

@markrober Mark Rober · 28 Sept 2024

15.8x outlier

Mark Rober tests if drivers try to run over fake animals placed on the side of the road.

3.4M views
188K likes
698 comments
0 shares
0 saves
3.1M followers
53s long
5.6% liked
hookThe video starts with a man holding a fake turtle on a road while asking a bold question.
  • Bold question. Big text asks if drivers run over turtles or snakes more.
  • Odd setting. A man kneels on a highway holding a fake turtle and snake.
  • Broad topic. Almost everyone drives a car or cares about wild animals.
retainViewers stay to find out the real numbers behind his roadside experiment.
  • Surprising experiment. He puts rubber turtles, snakes, spiders, and a leaf on the road edge.
  • Fast video edits. The clip has 25 shots in 52.9 seconds, so a new shot appears every two seconds.
  • Clear step by step. He explains his setup, his fake animals, and his charts in simple words.
  • Funny outcome. Spiders get hit the most while fake turtles get hit the least.
rewardThe viewer learns a fun fact about human behavior and feels good about people sparing turtles.
  • Taught something new. Most drivers ignore roadside items, but some go out of their way to hit fake spiders.
  • Restored faith. Drivers avoid hitting fake turtles far more than fake spiders or snakes.
  • Fun presentation. Simple charts make the data easy and enjoyable to understand.
mark roberscience experimentroad testdriver behaviorfake animalsturtlesnaketarantuladriving studyroad safetyviral shortdata chartshuman naturefunny testroad experiment

Hope in humanity = restored

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