University of Pennsylvania researchers tweaked an AI tutor to tailor the difficulty of practice problems for each student.

Louise Erdrich was getting help with her computer when her daughter discovered something on the hard drive. A short story. “‘Love of My Days’ was a forgotten file in my computer, and when I found it ...

Here’s what you’ll learn when you read this story: The Inca never built a world of silicon chips or copper-wired circuits, and the high-speed hardware of modern times was something they simply didn’t ...

To fix the tens of thousands of potholes across the city, Ottawa has turned to the Python 5000 all-in-one machine. Gary Dimmock explains how it works.

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Shoshi Parks Published Mar 4, 2026 9:01 AM EST Add Popular Science (opens in a new tab) Adding us as a Preferred ...

Gary Anderson was studying architecture at the University of Southern California when he saw the poster. It was 1970, and environmentalism was in the air, along with a broader antiestablishment vibe. ...

The breakthrough is often credited to Scottish inventor John Logie Baird—but the real history is far more complicated and collaborative. John Logie Baird with his transmitting station on March 19, ...

In 2005, physicists David Frame and Myles Allen were on their way to a scientific conference in Exeter, UK, and had been, in Frame’s words, “fiddling about” with a climate model to prepare for their ...

Ah, the yellow light. You know, that signal that is supposed to let you know to slow down as you approach the intersection, but makes you speed up instead? You probably take it for granted, but ...

James Moylan, who thought up the little arrow on your gas gauge that tells you what side of the car your fuel filler sits, has passed away. Moylan was a Ford interior trim designer who came up with ...