YouTube's CEO Neal Mohan is the latest in a line of tech bosses who have admitted to limiting their children's social media use, as the harms of being online for young people have become more evident.

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

You'll be more productive if you can see what you need to do, and when you need to do it. Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well ...

Abstract: Sparse Matrix-Matrix Multiplication (SpMM) is a widely used algorithm in Machine Learning, particularly in the increasingly popular Graph Neural Networks (GNNs). SpMM is an essential ...

Last year, onlookers observed a startling site on China’s Qiantang River: waves forming a grid-like pattern. Dubbed the “matrix tide,” this complex wave pattern was caused by the river’s famed tidal ...

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, ...

The user-generated video platform, owned by Google parent Alphabet, has come under fire amidst talks of the social media ban in Australia. (Photo by Chris McGrath/Getty Images) Effective next month, ...

Smith has an Oscar and box-office clout, but his judgment in picking sci-fi blockbusters isn't always the best. Reading time 1 minute Will Smith’s many arenas of success have included sci-fi hits like ...

Discovering faster algorithms for matrix multiplication remains a key pursuit in computer science and numerical linear algebra. Since the pioneering contributions of Strassen and Winograd in the late ...

Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of computing a matrix inverse using the Newton iteration algorithm. Compared to other algorithms, Newton ...