# Videos

## Explainers Playlist

### The Biggest Project in Modern Mathematics

Rutgers University mathematician Alex Kontorovich takes us on a journey through the continents of mathematics to learn about the awe-inspiring symmetries at the heart of the Langlands program.

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### Decoding Math’s Most Famous Fractal

### P vs. NP – The Greatest Unsolved Problem in Computer Science

### Math’s Famous Map Problem: The Four-Color Theorem

### Could One Physics Theory Unlock the Mysteries of the Brain?

### The Biggest Project in Modern Mathematics

### How NASA’s Webb Telescope Will Transform Our Place in the Universe

### The Standard Model: The Most Successful Scientific Theory Ever

### Quantum Computers, Explained With Quantum Physics

### Black Hole Jets: Unraveling One of the Biggest Mysteries in the Universe

### Iceland Is a Portal to Mars

## Explore All Videos

### Can Large Language Models Understand ‘Meaning’?

Brown University computer scientist Ellie Pavlick is translating philosophical concepts such as “understanding” and “meaning” into concrete ideas that are testable on LLMs.

### Predicting Eclipses: The Three Body Problem

Solar eclipse prediction has driven innovation across the history of science and mathematics, from the Saros cycle to Greek geometry to Newton’s calculus to the three-body problem.

### Understanding Cryptography With These Five Worlds

Russell Impagliazzo describes the five possible cryptographic worlds we might inhabit.

### Why Is This Basic Computer Science Problem So Hard?

Computer scientists have long used vector addition systems to model how certain programs work, but they didn’t have a full understanding of how complicated they could be. Recent work has finally pinned it down, showing that these problems are far more complicated than they seem.

### How a New X-Ray Technique Sees Black Holes

Astrophysicist Erin Kara explores black holes by carefully tracking the gas and plasma swirling near their event horizons.

### Decoding Math’s Most Famous Fractal

Mathematicians working in the field of complex dynamical systems are patiently unraveling the Mandelbrot set’s mysteries and may be on the verge of solving a fundamental conjecture that would allow them to describe the set completely.

### The Math Hiding in Plain Sight

Sarah Hart, the professor of geometry at Gresham College, sees symmetry everywhere.

### 2023’s Biggest Breakthroughs in Math

In 2023, mathematicians improved bounds on Ramsey numbers, a central measure of order in graphs; found a new aperiodic monotile; and discovered a new upper bound to the size of sets without 3-term arithmetic progressions.

### 2023’s Biggest Breakthroughs in Physics

In 2023, physicists found the gravitational wave background that’s made by supermassive black hole collisions, teleported quantum energy in the lab, and puzzled over JWST’s potentially cosmology-breaking discoveries.