Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Couldn't have picked a better reaction to end the whole series with :)
Part 2! Mark found how he could improve his designs to make the Glitterbomb better than ever.
Lava vs Lasers - Which Is More Destructive?
Mark attempts to beat a world record, and surprise a very special fan!
Mark & Jesser compete using the world's largest Nerf crossbow!
The grand finale! Are lasers really the most destructive thing Mark can get his hands on?
Who knew brussel sprouts could be so much fun? They still dont taste good though…
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.
Mark dropped a car on the world's largest trampoline to test the limits of mechanical engineering!
Part 1! Have you ever wondered if acid can melt things faster than lava can?
Don't feel bad. You don't suck, the game makers do.
Mark demonstrates the relative scale of the planets using a host of household objects.
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
Let's get a better mental model beyond just "because blue light scatters more".
Mark tests his pet octopus' survival skills & puzzle-solving abilities
Don't feel bad. You don't suck, the game makers do.
Mark walks you through 10 of his favorite science fair experiments.
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
Mark wanted to know what it would be like to to bounce on a trampoline with 1,500 water balloons, so he built it, filmed it, and put it in slow mo!
Mark gives his neighborhood crows the ultimate test of their intelligence.
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