Abstract: This article tackles the problem of fixed-time attitude tracking control of rigid spacecrafts subject to unknown inertia and external disturbances. In particular, the approach focuses on ...

There are hundreds of cell types in the human body, each with a specific role spelled out in their DNA. In theory, all it ...

Abstract: As the core of coal mine safety production, the mine ventilation system plays a crucial role in ensuring the safety of the underground environment and reducing energy consumption.

The writer and comedian Megan Koester got her first writing job, reviewing internet pornography, from a Craigslist ad she responded to more than 15 years ago. Several years after that, she used the ...