Black hole discovery reshaped astrophysics by proving that some of the universe's most powerful objects cannot be seen directly but can be measured through their effects on space and time. Signals ...

The unmanned aerial vehicle (UAV) city patrol is of great significance in ensuring the safety of residents’ lives and properties, as well as maintaining the normal operation of the city. However, the ...

In recent years, there has been a significant increase in the number of motor vehicles, which has greatly facilitated people's travel. However, this increase has resulted in increasingly crowded ...