01
—awaiting sample
Science & Technology3 Levels of Elephant Toothpaste
MMark Rober83.5M subscribers
T+7577h · 356.7M viewscurve builds at next snapshot
356.7Mnext snapshot
@markrober
Mark Rober
Science & Technology · EN · tracked in Signal Hunt
Subscribers83.5M#13 of 1089 tracked
7-day subscriber gain—accumulating snapshots
Total views19.3Bchannel lifetime
Breakout rate—needs comparable uploads
7-day view gain—
Videos tracked50
Gains appear once this channel has snapshots spanning the full window — nothing is estimated in the meantime.
Channel growth
Subscribers and lifetime views from tracked snapshots—not estimates.
Daily history
Snapshot-to-snapshot changes, newest first.
DateSubscribersΔ SubsTotal viewsΔ Views
Oct 4, 202683.5M—19.3B—
Science & Technology02
—awaiting sample
Science & Technologypride comes before flop
MMark Rober83.5M subscribers
T+5632h · 218.8M viewscurve builds at next snapshot
218.8Mnext snapshot
03
—awaiting sample
Science & TechnologySharpest Thing In The World!
MMark Rober83.5M subscribers
T+9114h · 174.4M viewscurve builds at next snapshot
174.4Mnext snapshot
04
—awaiting sample
Science & TechnologySumo Wrestlers vs Phone Books
MMark Rober83.5M subscribers
T+9451h · 152.3M viewscurve builds at next snapshot
152.3Mnext snapshot
05
—awaiting sample
Science & TechnologySecret Street Crossing HACK
MMark Rober83.5M subscribers
T+9882h · 148.9M viewscurve builds at next snapshot
148.9Mnext snapshot
06
—awaiting sample
Science & TechnologyTesting If You Can Breathe Underwater!
MMark Rober83.5M subscribers
T+9284h · 131.6M viewscurve builds at next snapshot
131.6Mnext snapshot
07
—awaiting sample
Science & TechnologyThe SECRET to Fighting Laundry Stains #TidePartner
MMark Rober83.5M subscribers
T+4820h · 122.9M viewscurve builds at next snapshot
122.9Mnext snapshot
08
—awaiting sample
Science & TechnologyHow Do Spider Legs Actually Work?
MMark Rober83.5M subscribers
T+8924h · 85.7M viewscurve builds at next snapshot
85.7Mnext snapshot
09
—awaiting sample
Science & TechnologyRonaldo vs My Unbeatable Goalie Robot
MMark Rober83.5M subscribers
T+7432h · 50.7M viewscurve builds at next snapshot
50.7Mnext snapshot
10
—awaiting sample
Science & TechnologyRonaldo vs My Goalie Robot
MMark Rober83.5M subscribers
T+7430h · 41M viewscurve builds at next snapshot
41Mnext snapshot
11
—awaiting sample
Science & TechnologyHow to Escape Alcatraz With Basic Engineering
MMark Rober83.5M subscribers
T+7744h · 38.3M viewscurve builds at next snapshot
38.3Mnext snapshot
12
—awaiting sample
Science & TechnologyEngineers vs Junkyard RC Car Death Match
MMark Rober83.5M subscribers
T+5395h · 37.2M viewscurve builds at next snapshot
37.2Mnext snapshot
13
—awaiting sample
Science & TechnologyI Discovered a Lost Plane
MMark Rober83.5M subscribers
T+2062h · 32.3M viewscurve builds at next snapshot
32.3Mnext snapshot
14
—awaiting sample
Science & TechnologyTennis Ball Cannon vs Human Strength
MMark Rober83.5M subscribers
T+3430h · 31.6M viewscurve builds at next snapshot
31.6Mnext snapshot
15
—awaiting sample
Science & TechnologyUncovering America's Underwater City
MMark Rober83.5M subscribers
T+8588h · 30M viewscurve builds at next snapshot
30Mnext snapshot
16
—awaiting sample
Science & TechnologyTesting Every Seat on a Log Ride
MMark Rober83.5M subscribers
T+4411h · 30M viewscurve builds at next snapshot
30Mnext snapshot
17
—awaiting sample
Science & TechnologyHelp Me Pass Ronaldo in Subscribers!
MMark Rober83.5M subscribers
T+7267h · 29.7M viewscurve builds at next snapshot
29.7Mnext snapshot
18
—awaiting sample
Science & TechnologyWhy MRI Machines Are So Dangerous
MMark Rober83.5M subscribers
T+6090h · 29.1M viewscurve builds at next snapshot
29.1Mnext snapshot
19
—awaiting sample
Science & TechnologyWorld’s Strongest Magnet!
MMark Rober83.5M subscribers
T+10123h · 28.3M viewscurve builds at next snapshot
28.3Mnext snapshot
20
—awaiting sample
Science & TechnologyJumping On A Moving Train… For Science!
MMark Rober83.5M subscribers
T+8634h · 26.9M viewscurve builds at next snapshot
26.9Mnext snapshot
21
—awaiting sample
Science & TechnologySecret To Defusing A Soda Grenade
MMark Rober83.5M subscribers
T+5083h · 26.7M viewscurve builds at next snapshot
26.7Mnext snapshot
22
—awaiting sample
Science & TechnologyI Outsmarted Pro Car Thieves
MMark Rober83.5M subscribers
T+2542h · 25.9M viewscurve builds at next snapshot
25.9Mnext snapshot
23
—awaiting sample
Science & TechnologyI Blew Up A 24 Story Building
MMark Rober83.5M subscribers
T+8084h · 25.7M viewscurve builds at next snapshot
25.7Mnext snapshot
24
—awaiting sample
Science & TechnologyI Engineered The Perfect First Date
MMark Rober83.5M subscribers
T+4222h · 25.6M viewscurve builds at next snapshot
25.6Mnext snapshot
25
—awaiting sample
Science & TechnologyLast Cheater Standing Wins $10,000
MMark Rober83.5M subscribers
T+358h · 22.5M viewscurve builds at next snapshot
22.5Mnext snapshot
26
—awaiting sample
Science & TechnologyFirst Object Faster Than Sound!
MMark Rober83.5M subscribers
T+8324h · 22.1M viewscurve builds at next snapshot
22.1Mnext snapshot
27
—awaiting sample
Science & TechnologyCan You Ship A Potato Through The Mail?
MMark Rober83.5M subscribers
T+5754h · 21.1M viewscurve builds at next snapshot
21.1Mnext snapshot
28
—awaiting sample
Science & TechnologyHow To Keep a Skyscraper From Falling Over
MMark Rober83.5M subscribers
T+3094h · 18.2M viewscurve builds at next snapshot
18.2Mnext snapshot
29
—awaiting sample
Science & TechnologyYouTuber Argues With Cop…
MMark Rober83.5M subscribers
T+8107h · 18M viewscurve builds at next snapshot
18Mnext snapshot
30
—awaiting sample
Science & TechnologyDisney’s Secret for Making Ghosts REAL
MMark Rober83.5M subscribers
T+6403h · 16.7M viewscurve builds at next snapshot
16.7Mnext snapshot
31
—awaiting sample
Science & TechnologyCan You Safely Drink Your Own Pee?
MMark Rober83.5M subscribers
T+10291h · 16.5M viewscurve builds at next snapshot
16.5Mnext snapshot
32
—awaiting sample
Science & TechnologyEngineering a $1 Cup of Lemonade #AdobePartner
MMark Rober83.5M subscribers
T+4099h · 15.2M viewscurve builds at next snapshot
15.2Mnext snapshot
33
—awaiting sample
Science & TechnologyHow Close To Beat My Goalie Robot?
MMark Rober83.5M subscribers
T+7002h · 14.6M viewscurve builds at next snapshot
14.6Mnext snapshot
34
—awaiting sample
Science & TechnologyHow Superglue Actually Works
MMark Rober83.5M subscribers
T+7189h · 13.7M viewscurve builds at next snapshot
13.7Mnext snapshot
35
—awaiting sample
Science & TechnologyWhy The Weatherman Is Always Wrong!
MMark Rober83.5M subscribers
T+6808h · 12.1M viewscurve builds at next snapshot
12.1Mnext snapshot
36
—awaiting sample
Science & TechnologyMark Rober vs India’s Busiest Train
MMark Rober83.5M subscribers
T+9607h · 11.7M viewscurve builds at next snapshot
11.7Mnext snapshot
37
—awaiting sample
Science & TechnologyLowest Heart Rate Wins!
MMark Rober83.5M subscribers
T+1582h · 11.2M viewscurve builds at next snapshot
11.2Mnext snapshot
38
—awaiting sample
Science & TechnologyDo YouTubers know about the Magnus Effect?
MMark Rober83.5M subscribers
T+2758h · 9.6M viewscurve builds at next snapshot
9.6Mnext snapshot
39
—awaiting sample
Science & TechnologyYou’re Breathing Dinosaur Breath!
MMark Rober83.5M subscribers
T+3763h · 9.5M viewscurve builds at next snapshot
9.5Mnext snapshot
40
—awaiting sample
Science & Technology$100 Slime Challenge
MMark Rober83.5M subscribers
T+1265h · 8.2M viewscurve builds at next snapshot
8.2Mnext snapshot
41
—awaiting sample
Science & TechnologyWhy Do People Pass Out On Roller Coasters?
MMark Rober83.5M subscribers
T+886h · 7.7M viewscurve builds at next snapshot
7.7Mnext snapshot
42
—awaiting sample
Science & TechnologyWhy the Moon Never Changes
MMark Rober83.5M subscribers
T+1222h · 7.3M viewscurve builds at next snapshot
7.3Mnext snapshot
43
—awaiting sample
Science & TechnologyYour fingers are actually a clock
MMark Rober83.5M subscribers
T+5416h · 7M viewscurve builds at next snapshot
7Mnext snapshot
44
—awaiting sample
Science & Technology3 Levels of Car Theft
MMark Rober83.5M subscribers
T+2422h · 6.9M viewscurve builds at next snapshot
6.9Mnext snapshot
45
—awaiting sample
Science & TechnologyChivalry or Engineering?
MMark Rober83.5M subscribers
T+382h · 3.8M viewscurve builds at next snapshot
3.8Mnext snapshot
46
—awaiting sample
Science & TechnologyHow Do Hot Air Balloons Actually Steer?
MMark Rober83.5M subscribers
T+7769h · 3.3M viewscurve builds at next snapshot
3.3Mnext snapshot
47
—awaiting sample
Science & TechnologyHow To Crush an Egg with Your Bare Hand
MMark Rober83.5M subscribers
T+2274h · 3M viewscurve builds at next snapshot
3Mnext snapshot
48
—awaiting sample
Science & TechnologyMy $60,000,000 Experiment
MMark Rober83.5M subscribers
T+3066h · 2M viewscurve builds at next snapshot
2Mnext snapshot
49
—awaiting sample
Science & TechnologyStop Your Car From Getting Stolen!
MMark Rober83.5M subscribers
T+1918h · 1.8M viewscurve builds at next snapshot
1.8Mnext snapshot
50
—awaiting sample
Science & TechnologyYou Have Spiders on Your Face RIGHT NOW!
MMark Rober83.5M subscribers
T+94h · 1.6M viewscurve builds at next snapshot
1.6Mnext snapshot
Channel data observed Oct 4, 10:34 AM UTC.
Frequently asked
Answers built from tracked public data—updated as snapshots accumulate.
How many subscribers does Mark Rober have?
Mark Rober (@markrober) currently has 83.5M subscribers, ranking #13 of 1089 channels tracked by Signal Hunt.
How many lifetime views does Mark Rober have?
Mark Rober has accumulated 19.3B lifetime views across 271 uploaded videos, as reported by YouTube.
Is Mark Rober growing?
Signal Hunt is still accumulating snapshots for Mark Rober; the 7-day change appears once tracked history spans a full week.
How often does Mark Rober produce breakout videos?
Signal Hunt does not yet have enough comparable uploads to calculate a breakout rate for Mark Rober.