India’s principle of “strategic autonomy” remains strong, Prime Minister Narendra Modi said, drawing an equivalence in ties with Russia, the U.S. and China and cautioning against a “return to the age of great power rivalries,” at a conference in Singapore in June 2018. Referring specifically to relations between India and …

When Hurricane Harvey hit Texas, the Department of Homeland Security (DHS) Science and Technology Directorate (S&T) deployed the Android Team Awareness Kit (ATAK) to support the complex communication and coordination needs of the multi-jurisdictional responders. Most of the operators provided with ATAK in Texas had never used it before. Still, …

Normal solid surfaces are wetted by liquids such as water and oil. In many cases, surface wetting is undesirable due to the fact that the liquids may largely deteriorate the functionality of the surface, or cause unwanted effects. For example, evaporation of liquid droplets could leave behind chemical or dirt …