Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Researchers have combined the Dijkstra and Bellman-Ford algorithms to develop an even faster way to find the shortest paths ...

Abstract: Internet of Things (IoT) and wireless sensor networks (WSN) have significant potential for a wide range of applications. However, these methods are hindered by resource constraints, ...

Abstract: Real-time (RT) electromagnetic transient simulation is growing in popularity for hardware-in-the-loop (HIL) simulation of physical hardware devices. This article proposes a variable-step ...

A Kent hospice described as a “shining example” in palliative and end-of-life care has been rated outstanding for the second time. The Pilgrims Hospice’s Ashford site was awarded the rating following ...

Rachel Maddow looks at recent examples of Donald Trump using the power of American taxpayers to cut deals for himself and his friends and family, and focuses on the especially galling case of Trump ...