Joan Samuelson, an intellectual force and relentless local advocate for a cure for Parkinson’s disease, died Dec. 27 in Santa Rosa of the affliction whose cure became her life’s work. She was 75.

Paul A. Samuelson, the first American Nobel laureate in economics and the foremost academic economist of the 20th century, died Sunday at his home in Belmont, Mass. He was 94. His death was announced ...

In a famous theorem, known as Stolper-Samuelson, he and a co-author showed that competition from imports of clothes and similar goods from underdeveloped countries, where producers rely on unskilled ...

Robert J. Samuelson, who sought to explain the implications of unemployment, inflation and government spending to ordinary readers for more than 40 years as an economics columnist for The Washington ...

Understand Thevenin’s Theorem the easy way with a clear, step-by-step circuit example. Learn how to simplify complex electrical networks into an equivalent circuit, making analysis faster and ...

Jane H Stolper, age 101, died peacefully on December 7, 2025, after a remarkably productive and long life. Born on August 21, 1924, at University Hospital in Madison, Wisconsin, she was the daughter ...

Large language models (LLMs) have astounded the world with their capabilities, yet they remain plagued by unpredictability and hallucinations – confidently outputting incorrect information. In ...

In August, Brian Eno set out hundreds of small wood panels across a series of worktables in his London studio. Over two days, he laid cut-out stencils atop the array, before spray-painting the blocks ...

In Loving Memory of Tracey Ellen Samuelson September 5, 1956 – October 8, 2025. Tracey Ellen Samuelson, 69, of Scottsdale, Arizona, passed away peacefully on October 8, 2025. Born on September 5, 1956 ...

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 ...

Back in 1971, the late physicist Stephen Hawking made an intriguing prediction: The total surface area of a black hole cannot decrease, only increase or remain stable. So if two black holes combine, ...

Stephen Hawking’s 50-year-old theorem on how black holes merge together has been successfully tested thanks to huge advances in gravitational wave astronomy, which helped astronomers catch the waves ...