Name: SCIENCE CLASS #3- Why is the Sky Blue?
Released: 2026-06-21
Duration: 2005

Schedule for Mark Rober TV

SCIENCE CLASS #3- Why is the Sky Blue?

Let's get a better mental model beyond just "because blue light scatters more".

2026-06-21 21:34:48 +0000 UTC→2026-06-21 22:08:13 +0000 UTC(33m)

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Testing Zero Gravity w/ Adley (Camp Year 3, Episode 6)

Welcome to the sixth week of Camp CrunchLabs! This week were testing gravity on different planets!

2026-06-22 00:50:01 +0000 UTC→2026-06-22 01:16:11 +0000 UTC(26m)

Inside Disney's Secret Engineering Lab

These were the droids I was looking for, after all!

2026-06-22 00:36:07 +0000 UTC→2026-06-22 00:50:01 +0000 UTC(13m)

MrBeast Pranked by Mark Rober at CrunchLabs

Big thanks to MrBeast for visiting CrunchLabs and stealing my boxes!

2026-06-22 00:28:45 +0000 UTC→2026-06-22 00:36:07 +0000 UTC(7m)

FINAL SCIENCE CLASS- How to Survive a 5 Mile Fall with No Parachute

We'll be doing dangerous things like smashing a bunch of glass with rockets and talking about the farthest man made object and I'll explain why this is my last one. See you there and don't be tardy or it's a detention.

2026-06-21 23:49:24 +0000 UTC→2026-06-22 00:28:45 +0000 UTC(39m)

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.

2026-06-21 23:39:50 +0000 UTC→2026-06-21 23:49:24 +0000 UTC(9m)

Defog your windows TWICE as fast using SCIENCE- 4 easy steps

Here are 4 steps to defog your windshield twice as fast in the morning and the science behind why it works.

2026-06-21 23:33:19 +0000 UTC→2026-06-21 23:39:50 +0000 UTC(6m)

Can You Safely Drink Your Own Pee?

To launch a global fundraising campaign for clean drinking water, Mark travels to Kenya and uses reverse osmosis technology to put the ultimate purification process to the test with MrBeast.

2026-06-21 23:20:40 +0000 UTC→2026-06-21 23:33:19 +0000 UTC(12m)

Extreme Laser Maze w/ Toys and Colors (Camp Year 3, Episode 3)

Welcome to the third week of Camp CrunchLabs! This week Toys and Colors joins us for some laser maze fun!

2026-06-21 23:03:53 +0000 UTC→2026-06-21 23:20:40 +0000 UTC(16m)

How To See Germs Spread Experiment (Coronavirus)

2026-06-21 22:54:19 +0000 UTC→2026-06-21 23:03:53 +0000 UTC(9m)

Hot Wheels STUNT RACE- Slow Mo

This is the Hot Wheels race of my childhood dreams. It's a little different of a vid for me but I wanted to learn how to film like the pros.

2026-06-21 22:47:50 +0000 UTC→2026-06-21 22:54:19 +0000 UTC(6m)

World's Largest Elephant Toothpaste Experiment

I'm not a chemist. Elephant toothpaste (aka slime foam) has sort been done so many times I wanted to do it really big. We did a ton of testing.

2026-06-21 22:35:28 +0000 UTC→2026-06-21 22:47:50 +0000 UTC(12m)

Giant Ping Pong Explosions w/ Adley!- Camp CrunchLabs Week 11

Welcome to the eleventh week of Camp CrunchLabs! This week we will be using the power of air pressure to create the ultimate rainbow ping pong ball explosions!

2026-06-21 22:20:35 +0000 UTC→2026-06-21 22:35:28 +0000 UTC(14m)