← Zpět

Fiber Optics are so much cooler than I thought

Veritasium

Why making glass fibers to send signals was almost impossible. Sponsored by Saily - 🌎 Get an exclusive 15% discount on Saily data plans! Download Saily app go to https://saily.com/veritasium Use code veritasium at checkout â›” If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV For the latest science news, and for an exclusive bonus Q&A with Sulli, the director of this video, sign up to the Veritasium newsletter - https://ve42.co/VeMail_FO For early access to work in progress videos join our patreon

The Closest Thing We Have to Alien Matter

The world’s coldest liquid is far stranger than you’d imagine. Sponsored by Ground News - Go to https://ground.news/Ve and subscribe to get 40% off the unlimited access Vantage Plan. Stay informed on

No device could prove Einstein wrong... until now

Can atomic clocks prove Einstein wrong? The biggest protection in the game! Go to https://NordVPN.com/veritasium and get an exclusive NordVPN deal + 4 extra months. It’s risk free with NordVPN’s 30-da

Is there something faster than light?

The experiment that broke relativity. How an argument between Einstein and Bohr changed quantum mechanics forever.

When you lose weight where does it go?

What does it mean to lose weight? When you work out or eat less your overall size decreases. So where does this mass go?

What is edge dislocation?

We demonstrated a crystal lattice of atoms using bubbles.

How Dangerous Are Non-Stick Pans?

What happens to your body if you eat Teflon from a non-stick pan? #pfas #foreverchemicals

We're trying something new...

Veritasium's mission has always been to get to the truth - to understand how and why things work the way they do. We love the variety of topics we're able to cover - from the real to the abstract - an

What happens to these balloons when you open the valve?

Take a balloon and fill it with lots of air. Take another one and fill it with less air. Now connect the two via a valve. What do you think will happen when you open the valve?