In October 2024 Luke Durant, an independent researcher in San Jose, Calif., announced that he had discovered the largest known prime number—so enormous it would take years to write out in full. One ...

This article focuses on the finite-time fault estimation observer and controller design for switched random models subject to multiple time-varying delays. It is assumed that there exist actuator ...

For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across the country have been lowering standards ...

The University of California at San Diego reported that students with below middle-school level math skills increased by "nearly thirtyfold" from 2020 to 2025. NuPenDekDee - stock.adobe.com What ...

A sharp rise in students entering the University of California system without middle school-level math skills is raising alarms among educators. A new internal report from the University of California ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Class is almost over—but instead of zoning out or packing up early, your students are hunched over their work, erasing, recalculating, and debating. The room buzzes with the rich math talk every ...

One question has preoccupied humankind for thousands of years: Do infinities exist? More than 2,300 years ago Aristotle distinguished between two types of infinity: potential and actual. The former ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Ryan Seacrest Breaks Down as He Shares an Emotional Family Update New Photos Show How President Trump Paved Over the White House Rose Garden Record number of farms shut in wake of inheritance tax raid ...