Imagine walking into a back-alley card room. The dealer sits behind a thick wooden table, keeping their hands low. They shuffle the deck where you can’t see, and every time you get a decent hand, they ...

German psychologist Wolfgang Köhler set up a famous experiment more than 100 years ago that changed how scientists understand animal intelligence and the power of insight — or spontaneous ...

Static initialization blocks in JavaScript offer a unique way to execute code when a class is defined, rather than when instances are created. These blocks provide more flexibility than static ...

In October 2024 I attended a workshop at Harvard University where mathematicians talked through the uses of artificial intelligence in their field. Most were less worried about the future of math than ...

Detroit police, Michigan State Police, the FBI and more than a dozen other agencies are now working together on what they're calling "Operation Block," a citywide effort to search for missing people.

Detroit police, Michigan State Police, the FBI and more than a dozen other agencies are now working together on what they're calling "Operation Block," a citywide effort to search for missing people.

It’s the basis of some of the best-known classroom demonstrations: a phenomenon that literally makes your hair stand on end. Static electricity — or contact electrification or triboelectricity, to use ...

Static electricity is so commonplace that it can come across as simple. Rub a balloon against your head, and the transfer of charges will make your hair stand on end. Shuffle your feet on a carpet, ...

We may receive a commission on purchases made from links. Block is the latest business to announce layoffs, with the operator of payment platforms Square and Cash App opting to cut jobs in favor of ...

Block said Thursday it's laying off more than 4,000 employees, or about half of its head count. Shares of the payment company skyrocketed as much as 24% in extended trading. It was last seen up nearly ...

Filing taxes is a pain. Here’s how H&R Block DIY and Assisted performed against other services I tested. I've been through the wringer with my taxes the past couple of years. Last year, I was a ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...