The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

The best place for doing high-level math on an iPhone or iPad may be the Calculator app's Math Notes tool. In fact, with an ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

The longevity of Jobs’s ten-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

A series about how people with highly specific sleeping situations fall asleep and stay asleep — and the products they use. Dr. Brian Levine, the founding partner and practice director of the ...

Meta has announced that the Messenger desktop app will soon be phased out. This means that after the app is officially deprecated, you will no longer be able to log into the app. Instead, you will be ...

It can be dangerous to go without sleeping, even for a day. Longer-term sleep deprivation can cause cognitive impairment, hallucinations, and other side effects. The longest recorded time without ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. As the holidays approach, millions of ...

For 30 years, the technology that could help save the world has been in the hands of children. Solar calculators were such a routine part of math class from the mid-1980s onward that they barely ...

Reddit Inc. has launched lawsuits against startup Perplexity AI Inc. and three data-scraping service providers for trawling the company’s copyrighted content to be used to train AI models. Reddit ...