It can be dangerous to go without sleeping, even for a day. Longer-term sleep deprivation can cause cognitive impairment, hallucinations, and other side effects. The longest recorded time without ...

It’s 8:30 a.m. on a Saturday morning and the hot sun is beating down. Saws are carving wood and hammers are striking nails. A ...

(This story has been updated with new information and to correct that the crash happened in Volusia County. A 71-year-old woman was killed Sept. 16 when her vehicle was struck by an SUV fleeing from ...

Abstract: In this article, we study the regional stability of discrete-time piecewise affine (PWA) systems. The proposed method for the stability analysis uses an implicit representation of PWA ...