SCIENCE CLASS #3- Why is the Sky Blue?
Let's get a better mental model beyond just "because blue light scatters more".
2026-07-20 21:16:41 +0000 UTC→2026-07-20 21:50:06 +0000 UTC(33m)
Schedule for Mark Rober TV
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Mark Rober Mega Experiments
Mark built the world's largest coin spinner! Here's how he did it.
2026-07-22 13:14:02 +0000 UTC→2026-07-22 13:25:38 +0000 UTC(11m)
Mark Rober Is Your Favorite Science Teacher
Mark shares the easy and awesome way to bring a glow wall into your home!
2026-07-22 13:06:03 +0000 UTC→2026-07-22 13:14:02 +0000 UTC(7m)
SCIENCE CLASS #3- Why is the Sky Blue?
Let's get a better mental model beyond just "because blue light scatters more".
2026-07-22 12:32:38 +0000 UTC→2026-07-22 13:06:03 +0000 UTC(33m)
Engineering Payback
Mark uses his engineering skills to re-live his childhood Wiffle Ball dreams.
2026-07-22 12:04:49 +0000 UTC→2026-07-22 12:32:38 +0000 UTC(27m)
Amazing Animals: Backyard Squirrel Maze 1.0- Ninja Warrior Course
Mark makes the squirrels in his backyard work for a free meal!
2026-07-22 11:40:59 +0000 UTC→2026-07-22 12:04:49 +0000 UTC(23m)
Pranks Destroy Scam Callers- GlitterBomb Payback
Please share this video and let's shut them down.
2026-07-22 11:09:52 +0000 UTC→2026-07-22 11:40:59 +0000 UTC(31m)
Mark Rober Is Your Favorite Science Teacher
Mark & Kevin (The Backyard Scientist) explore the science behind barehanded bottle opening hacks.
2026-07-22 11:03:11 +0000 UTC→2026-07-22 11:09:52 +0000 UTC(6m)
How To See Germs Spread Experiment (Coronavirus)
Using specialized glowing powder to trace the invisible spread of bacteria, Mark conducts a series of classroom experiments to visually demonstrate how easily germs transfer between people and everyday surfaces.
2026-07-22 10:53:37 +0000 UTC→2026-07-22 11:03:11 +0000 UTC(9m)
Camp CrunchLabs Year 1: Ping Pong Explosions! Camp CrunchLabs Week 2
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
2026-07-22 10:35:33 +0000 UTC→2026-07-22 10:53:37 +0000 UTC(18m)
Destroying Camp CrunchLabs!- Week 12 Final Episode
Welcome to the twelfth and final week of Camp CrunchLabs! This week we will be destroying the set in the most epic way possible!
2026-07-22 10:19:02 +0000 UTC→2026-07-22 10:35:33 +0000 UTC(16m)
Mark Rober Is Your Favorite Science Teacher
Mark demonstrates the relative scale of the planets using a host of household objects.
2026-07-22 10:09:44 +0000 UTC→2026-07-22 10:19:02 +0000 UTC(9m)
Mark Rober's Mega Experiments: World's Largest Nerf Gun
Mark built a giant, world-record-setting, NERF gun!
2026-07-22 10:03:48 +0000 UTC→2026-07-22 10:09:44 +0000 UTC(5m)
Engineering Payback
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
2026-07-22 09:57:40 +0000 UTC→2026-07-22 10:03:48 +0000 UTC(6m)
I Gave the MIT Commencement Speech
Drawing from his unconventional career path from NASA to YouTube, Mark delivers an inspiring and humorous commencement address to the MIT Class of 2023, offering key life lessons on embracing naive optimism, reframing failure, and fostering relationships.
2026-07-22 09:34:40 +0000 UTC→2026-07-22 09:57:40 +0000 UTC(23m)
Destructive Science
Lava vs Lasers - Which Is More Destructive?
2026-07-22 09:05:33 +0000 UTC→2026-07-22 09:34:40 +0000 UTC(29m)
Mark Rober's Mega Experiments: World's Largest Nerf Gun
Mark built a giant, world-record-setting, NERF gun!
2026-07-22 08:59:37 +0000 UTC→2026-07-22 09:05:33 +0000 UTC(5m)
Rock Skip Robot- The Science of Perfect Rock Skipping
I built a rock-skipping robot with my nieces and nephews to find the perfect skip. We learned 4 things matter most: a 20° rock angle, a 20° path angle, maximum spin, and a flat-bottomed rock that is as heavy as possible without slowing your arm speed.
2026-07-22 08:48:59 +0000 UTC→2026-07-22 08:59:37 +0000 UTC(10m)
Funniest Pranks Ever!- Camp CrunchLabs Week 6
Welcome to the sixth week of Camp CrunchLabs, this week we will be going over some of your best submissions for the best prank ever challenge!
2026-07-22 08:10:34 +0000 UTC→2026-07-22 08:48:59 +0000 UTC(38m)
Mark Rober Mega Experiments
Mark build the world's largest toy catapult! Here's how he did it.
2026-07-22 08:01:43 +0000 UTC→2026-07-22 08:10:34 +0000 UTC(8m)
Engineering For Humanity: 200 dropped wallets- the 20 MOST and LEAST HONEST cities
Mark uses 200 wallets to test the honesty of cities across the US & Canada.
2026-07-22 07:52:04 +0000 UTC→2026-07-22 08:01:43 +0000 UTC(9m)
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