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Why Language Models Are So Hard To Understand

April 30, 2025

AI researchers are using techniques inspired by neuroscience to study how language models work — and to reveal how perplexing they can be.

How Can AI ID a Cat? An Illustrated Guide.

April 30, 2025

Neural networks power today’s AI boom. To understand them, all we need is a map, a cat and a few thousand dimensions.

What the Most Essential Terms in AI Really Mean

April 30, 2025

A simple primer to the 19 most important concepts in artificial intelligence.

How a Problem About Pigeons Powers Complexity Theory

April 4, 2025

When pigeons outnumber pigeonholes, some birds must double up. This obvious statement — and its inverse — have deep connections to many areas of math and computer science.

The Mysterious Flow of Fluid in the Brain

March 26, 2025

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate.

Catalytic Computing Taps the Full Power of a Full Hard Drive

February 18, 2025

Ten years ago, researchers proved that adding full memory can theoretically aid computation. They’re just now beginning to understand the implications.

How Noether’s Theorem Revolutionized Physics

February 7, 2025

Emmy Noether showed that fundamental physical laws are just a consequence of simple symmetries. A century later, her insights continue to shape physics.

The Jagged, Monstrous Function That Broke Calculus

January 23, 2025

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

Why Computer Scientists Consult Oracles

January 3, 2025

Hypothetical devices that can quickly and accurately answer questions have become a powerful tool in computational complexity theory.

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