When life is calm, for most people, it is relatively easy to maintain equilibrium and equanimity. The challenge is holding steady when you’re buffeted by internal and external storms. In traditional ...

Balancing the tenuous fate of the Korean Peninsula in an age of emerging multipolarity must be stressful, no? As the Trump administration currently mulls over sending the National Guard to Chicago, ...

Abstract: In this article, the problem of tracking control for a class of nonlinear time-varying full state constrained systems is investigated. By constructing the time-varying asymmetric barrier ...

Over the past few months, we’ve added new features and updates to WhatsApp You can now share Live Photos (iOS) and Motion Photos (Android) that add sound and movement to the moments you capture on ...