Kevin Hartnett

Kevin Hartnett

Contributing Writer

Latest Articles

Origami Patterns Solve a Major Physics Riddle

October 6, 2025

The amplituhedron, a shape at the heart of particle physics, appears to be deeply connected to the mathematics of paper folding.

At 17, Hannah Cairo Solved a Major Math Mystery

August 1, 2025

After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture.

Three Hundred Years Later, a Tool from Isaac Newton Gets an Update

March 24, 2025

A simple, widely used mathematical technique can finally be applied to boundlessly complex problems.

A Rosetta Stone for Mathematics

May 6, 2024

In 1940 André Weil wrote a letter to his sister, Simone, outlining his vision for translating between three distinct areas of mathematics. Eighty years later, it still animates many of the most exciting developments in the field.

A New Agenda for Low-Dimensional Topology

February 22, 2024

This past October, dozens of mathematicians gathered in Pasadena to create the third version of “Kirby’s list” — a compendium of the most important unsolved problems in the field.

Mathematicians Identify the Best Versions of Iconic Shapes

January 5, 2024

Researchers are discovering the shortest knots and fattest Möbius strips, among other “optimal shapes.”

Echoes of Electromagnetism Found in Number Theory

October 12, 2023

A new magnum opus posits the existence of a hidden mathematical link akin to the connection between electricity and magnetism.

An Old Conjecture Falls, Making Spheres a Lot More Complicated

August 22, 2023

The telescope conjecture gave mathematicians a handle on ways to map one sphere to another. Now that it has been disproved, the universe of shapes has exploded.

Elliptic Curves Yield Their Secrets in a New Number System

July 6, 2023

Ana Caraiani and James Newton have extended an important result in number theory to the imaginary realm.

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