IEEE

Hierarchical Adaptive Formation Tracking Control with Uncertain Time-Varying Exosystem

Abstract: This paper investigates the formation tracking problem with uncertain time-varying exosystem over a general directed graph. The exosystem describes both the moving target and the ...
Smithsonian Magazine

The Hell Creek Formation Is North America’s Legendary Boneyard. See the Top Five Discoveries Found in the Iconic Fossil Bed

From preserved plants to T. rex, the material found in these Late Cretaceous rocks has resulted in countless breakthroughs for paleontologists Mountains in Montana’s Makoshika State Park, where some ...
Live Science

Homo erectus' tools include stunning geodes and fossils, possibly as a way to connect with the cosmos, study finds

Human Evolution 'Human evolution didn't slow down; we were just missing the signal': Large DNA study reveals natural selection led to more redheads and less male-pattern baldness Neanderthals Humans ...
IEEE

Distributed Predefined-Time Leader–Follower Formation Control for Heterogeneous Wheeled Mobile Robots

Abstract: This paper investigates the predefined-time (PdT) formation control problem for heterogeneous wheeled mobile robots (WMRs) with complex nonlinear terms. To address the challenges arising ...
Hosted on MSN

Sunspot AR3664 expands into a massive formation in time-lapse footage

Highly active sunspot AR3664 grew tremendously in this three day time-lapse. Credit: Space.com | footage courtesy: NASA / SDO and the AIA, EVE, and HMI science teams / HelioViewer| edited by Steve ...