As satellite congestion increases, high-altitude long-endurance UAVs offer a flexible, solar-powered alternative for real-time connectivity.

Artifacts from the Iron Age have revealed an intense historical magnetic anomaly in the Middle East. Could using a similar ...

Optimal Positioning of Hovering UAV Relays for Mitigation of Pointing Error in Free-Space Optical Communications ...

This work aims to present a modeling approach for an intelligent reflecting surface (IRS)-assisted unmanned aerial vehicle (UAV) based free-space optical (FSO) communication system emphasizing ...

The poles can flip over the course of hundreds or thousands of years, and this can happen at random, with intervals ranging anywhere from 10,000 years to 50 million years or more. Around 41,000 years ...