Important everyday products—from plastics to detergents—are made through chemical reactions that mostly use precious metals such as platinum as catalysts. Scientists have been searching for more ...

A peace initiative is turning into a power struggle. Canada has rejected the idea of paying one billion U.S. dollars for ...

A regional passenger aircraft carrying 11 people has lost contact with ground control while approaching a mountainous region between Java and Sulawesi islands in Indonesia. A search and ...

“War,” the Prussian military thinker Carl von Clausewitz wrote, “is a mere continuation of policy by other means.” If there is one line that virtually every Army officer learns from Clausewitz’s ...

Abstract: This paper addresses the problem of controlling two distinct formations of robots interacting with one another. In order to do that, two different approaches for a line structure are defined ...