What's up in

# computer science

## Latest Articles

### How Shannon Entropy Imposes Fundamental Limits on Communication

What’s a message, really? Claude Shannon recognized that the elemental ingredient is surprise.

### The AI Researcher Giving Her Field Its Bitter Medicine

Anima Anandkumar wants computer scientists to move beyond the matrix, among other challenges.

### ‘Post-Quantum’ Cryptography Scheme Is Cracked on a Laptop

Two researchers have broken an encryption protocol that many saw as a promising defense against the power of quantum computing.

### Self-Taught AI Shows Similarities to How the Brain Works

Self-supervised learning allows a neural network to figure out for itself what matters. The process might be what makes our own brains so successful.

### The Computer Scientist Challenging AI to Learn Better

Christopher Kanan is building algorithms that can continuously learn over time — the way we do.

### Computer Science Proof Unveils Unexpected Form of Entanglement

Three computer scientists have posted a proof of the NLTS conjecture, showing that systems of entangled particles can remain difficult to analyze even away from extremes.

### Quantum Algorithms Conquer a New Kind of Problem

Computer scientists have found a new type of problem that quantum computers can solve dramatically faster than their classical counterparts.

### The Scientist Who Developed a New Way to Understand Communication

Mark Braverman has spent his career translating thorny problems into the language of information complexity.

### Can Computers Be Mathematicians?

Artificial intelligence has bested humans at problem-solving challenges like chess and Go. Is mathematics research next? Steven Strogatz speaks with mathematician Kevin Buzzard to learn about the effort to translate math into language that computers understand.