Youth make up more than half of the global population and are a powerful engine for innovation, social change and sustainable development. Yet many still face persistent barriers that hold them back ...

The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang. NASA's James Webb Space Telescope (JWST) captured this image of the iconic ...

Abstract: The quadrotor hierarchical control design (position-attitude) based on the state-space modeling has been widely applied in the past. Although the state-space representation, based on a group ...