It extends the droplet size range to make it not affected by frequency and suitable for all wavelength regimes. In addition, the ultrasonic propagation process in air-droplet two-phase flow is ...

Air traffic flow management (ATFM) aims to facilitate the utilization of airspace and airport resources and is critical in air transportation systems. During the past decades, several challenging ...

Saudi Arabia has opened its airspace to support the smooth flow of international air traffic amid recent regional tensions, mobilising all available resources and implementing extensive ...

Insta360 has announced its new Flow 2 and Mic Air. The Flow 2 is a gimbal aimed at everyday content creation. It’s lightweight and features built-in stabilization, smart AI tracking, a tripod, a ...

In comparison to traditional longwall mining, “roof-cutting and pressure-releasing” mining along gob-side entry retaining changes the permeability of the gob, as well as the pressure-relief ...