In light of this problem, a novel parallel control method that utilizes space and time transformation is proposed. First, the swarm is decomposed based on a grouping-hierarchical strategy, while the ...

Billionaire entrepreneur and space traveler Jared Isaacman, President Trump's nominee to serve as NASA's next administrator, told lawmakers Wednesday he supports sending astronauts back to the ...

Look around you. Chances are, there’s a BiC Cristal ballpoint pen among your odds and ends. Since 1950, it has far outsold the Rubik’s Cube and even the iPhone, and yet, it’s one of the most ...