If you use the terminal often, you probably know the ls command. It lists what's in a folder, but if you add some flags it can do a lot more. You can view extra details, locate files faster, and get ...

The fire resistance of external pipelines in aero-engines is of significant importance for enhancing engine reliability. Conventional electrical sensors face limitations in measuring fluid space ...

As a frequently used industrial raw material, high-viscosity fluids have been widely used in aerospace, chemical production, petroleum production and other fields. This paper studies the key points of ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.