Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus ...

Each line segment of a distance-time graph represents one part of a journey. A distance-time graph, sometimes referred to as a travel graph, is a way of representing a journey. It is helpful to have ...

From 400-year-old globes to cosmic funeral shrouds, how the Osher Map Library in Maine shows people that maps aren't just for ...

Abstract: State estimation plays a crucial role in ensuring the safety, stability and operational efficiency of the current power grid. However, with the increasing size and complexity of power grids, ...