Mark H. Kim

Contributing Writer

Abstractions blog

One-Way Salesman Finds Fast Path Home

The real-world version of the famous “traveling salesman problem” finally gets a good-enough solution.

LIGO Hanford and Livingston
gravitational waves

Strange Noise in Gravitational-Wave Data Sparks Debate

The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.

Abstractions blog

Why Quantum Computers Might Not Break Cryptography

A new paper claims that a common digital security system could be tweaked to withstand attacks even from a powerful quantum computer.

About the author

Mark H. Kim is a science writer and software engineer based in New York City. He has written for the American Institute of Physics, New Scientist, and and was the director of Courant Splash, a STEM outreach program. He studied mathematics and philosophy at Rutgers University and was a researcher at the Courant Institute of Mathematical Sciences at New York University. In 2016 he received a Mass Media Science & Engineering Fellowship from the American Association for the Advancement of Science. He blogs at