Determining the least expensive path for a new subway line underneath a metropolis like New York City is a colossal planning challenge—involving thousands of potential routes through hundreds of city ...

Prehospital emergency helicopters, with excellent maneuverability and response speed, have become the key equipment for improving the quality of emergency medical services. However, the scientific ...

A microgrid is a small-scale power generation and distribution system that can achieve self-control 1,2, protection and management, and can either operate in parallel with the external power grid or ...