When searching for missing persons, especially during emergency situations, such as catastrophic weather and infrastructure or geologic events, aerial reconnaissance can be an invaluable tool, particularly if the area is large and/or unstable. Unmanned aerial vehicles (UAVs) with thermal imaging capabilities can help detect heat signatures from victims,...

Background Modern commercial communication systems, such as 5G networks, commonly operate at relatively high radio frequencies toward the millimeter wave bands. In conventional satellite communication systems, large reflectors or dishes are required for high-speed communication, which suffer from high mechanical complexity, high operation and maintenance...

In the current digital world, most people have far too many online accounts and passwords to remember; in fact, it has been found that the average user has at least 90 online accounts. Further, many accounts require frequent password changes, making it difficult, if not impossible, for password memory recall. Along with an increased number of accounts...