Kevin Hartnett

Kevin Hartnett

Contributing Writer

Latest Articles

New Proof Settles How to Approximate Numbers Like Pi

August 14, 2019

The ancient Greeks wondered when “irrational” numbers can be approximated by fractions. By proving the longstanding Duffin-Schaeffer conjecture, two mathematicians have provided a complete answer.

Quantum Supremacy Is Coming: Here’s What You Should Know

July 18, 2019

Researchers are getting close to building a quantum computer that can perform tasks a classical computer can’t. Here’s what the milestone will mean.

How Randomness Can Make Math Easier

July 9, 2019

Randomness would seem to make a mathematical statement harder to prove. In fact, it often does the opposite.

Random Surfaces Hide an Intricate Order

July 2, 2019

Mathematicians have proved that a random process applied to a random surface will yield consistent patterns.

A New Law to Describe Quantum Computing’s Rise?

June 18, 2019

Neven’s law states that quantum computers are improving at a “doubly exponential” rate. If it holds, quantum supremacy is around the corner.

Q&A

A Mathematician Whose Only Constant Is Change

June 13, 2019

Amie Wilkinson searches for exotic examples of the mathematical structures that describe change.

Computer Scientists Expand the Frontier of Verifiable Knowledge

May 23, 2019

The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement.

Universal Pattern Explains Why Materials Conduct

May 6, 2019

Mathematicians have found that materials conduct electricity when electrons follow a universal mathematical pattern.

A New Approach to Multiplication Opens the Door to Better Quantum Computers

April 24, 2019

Quantum computers can’t selectively forget information. A new algorithm for multiplication shows a way around that problem.