Abstract: We study cascading transmission line outages recorded over nine years in an electric power system with approximately 200 lines. The average amount of propagation of the line outages is ...

Grass trimmers are designed to keep lawn edges looking neat, but only the best can tidy and trim hard-to-reach grass without hassle. The worst we’ve tested leave behind straggly grass and stubborn ...

For over a decade, brands have used social media to connect with their target audiences. Now, thanks to cloud computing power and big data, they can do so with much greater precision. Better still, ...