Kevin Hartnett

Senior Writer

mathematical physics

Strange Numbers Found in Particle Collisions

November 15, 2016

An unexpected connection has emerged between the results of physics experiments and an important, seemingly unrelated set of numbers in pure mathematics.

Pencils Down: Experiments in Education

Meet the New Math, Unlike the Old Math

October 5, 2016

The latest effort to overhaul math and science education offers a fundamental rethinking of the basic structure of knowledge. But will it be given time to work?

computer security

Hacker-Proof Code Confirmed

September 20, 2016

Computer scientists can prove certain programs to be error-free with the same certainty that mathematicians prove theorems.

geometry

A Unified Theory of Randomness

August 2, 2016

Researchers have uncovered deep connections among different types of random objects, illuminating hidden geometric structures.

astrophysics

After Black Holes Collide, a Puzzling Flash

March 2, 2016

A satellite spotted a burst of light just as gravitational waves rolled in from the collision of two black holes. Was the flash a cosmic coincidence, or do astrophysicists need to rethink what black holes can do?

Q&A

Taming Superconductors With String Theory

January 21, 2016

The physicist Subir Sachdev borrows tools from string theory to understand the puzzling behavior of high-temperature superconductors.

Mathematics

Hope Rekindled for Perplexing Proof

December 21, 2015

Three years ago, a solitary mathematician released an impenetrable proof of the famous abc conjecture. At a recent conference dedicated to the work, optimism mixed with bafflement.

Mathematics

Math Quartet Joins Forces on Unified Theory

December 8, 2015

A new breakthrough that bridges number theory and geometry is just the latest triumph for a close-knit group of mathematicians.

Q&A

The Information Theory of Life

November 19, 2015

The polymath Christoph Adami is investigating life’s origins by reimagining life as self-perpetuating information strings.