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"Because immigration is such a recurring-and divisive-topic in the United States, it is easy to assume that we understand what it means for an immigrant to live under the specter of surveillance and punishment. It is easy to assume, as many scholars and journalists do, that undocumented immigrants live on the run from the authorities, constantly fleeing to the margins of daily life, staying in the shadows beneath the eyes of the law. And yet, while it is certainly true that immigrants are constantly faced with mechanisms of surveillance that function as tools of societal exclusion, this only tells part of the story. As Asad L. Asad shows, many people with a sanctionable status cannot-and, in...
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A professional search-and-rescue team goes to South America to search for and rescue an executive of a large US company. Money for the rescue is unlimited, and the talent is top-notch. However, something does not always go as planned.
Escape or Evade is a true depiction of the Author Colonel David W. Irvin, Jr. being shot down on France on November 19, 1943. He recounts the events of his capture by the Nazis, his escape and arduous journey to Sweden and return to his unit in England.
This paper focuses on the problem of regional cooperative search using multiple unmanned aerial vehicles (UAVs) for targets that have the ability to perceive and evade. When UAVs search for moving targets in a mission area, the targets can perceive the positions and flight direction of UAVs within certain limits and take corresponding evasive actions, which makes the search more challenging than traditional search problems. To address this problem, we first define a detailed motion model for such targets and design various search information maps and their update methods to describe the environmental information based on the prediction of moving targets and the search results of UAVs. We the...