Abstract: Several essential services, such as cellular phones, the Internet, television, navigation, weather prediction, and remote sensing, rely on satellites in low-Earth orbits, the technology for ...

Iranian state television was hacked, airing a video of Reza Pahlavi, the exiled son of Iran's last shah who has emerged as a significant opposition figure. Another war is ready to explode after ...

Abstract: Teaching programming is a topic that has generated a high level of interest among researchers in recent decades. In particular, multiple approaches to teaching visual programming have been ...