If the mention of algebra conjures bad memories of math classes, a Python library called SymPy could change your mind about ...

For centuries, astronomers have puzzled over the origins of one of the universe's oldest and densest stellar systems, known as globular clusters. Now, a University of Surrey-led study published in ...

Choosing between linear and rotary indexers for an automated assembly application depends primarily on the size of the product and the space available on the plant floor. Most products assembled on ...

The cellphone belonging to Ruth Dalton was smashed into four pieces when it was found in a recycling bin in Seattle’s Hillman City neighborhood last summer, 6 miles south of where the beloved, 80-year ...

Ask the publishers to restore access to 500,000+ books. Can You Chip In? We’re celebrating our 1 trillionth archived web page. If you find our library useful, learn how you can help us fundraise! Can ...

Weight-loss drugs may help people with obesity, but they won't by themselves solve the American obesity crisis, three experts told Newsweek. Last week the White House announced the expansion of ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Abstract: This letter presents a simple graphical criterion to obtain all common quadratic Lyapunov functions for nonlinear systems contained in the convex-hull of a set of second-order linear ...