Veritasium

2025x1
Why Don’t Railroads Need Expansion Joints?
Episode overview

How Thermite turned the clickety-clack of railroads into seamless, silent tracks.

2025x2
Why Are Scientists Making Robot Insects?
Episode overview

What happens when you shrink robots down to the size of insects? Let’s explore the mind-bending physics behind their superpowers!

2025x3
Why Super Glue Is Perfect For Gluing Skin
Episode overview

The invention that's super sticky, a little picky, and easy to unstick only if you know the trick!

Characters