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</html><thumbnail_url>https://gizmodo.com.au/wp-content/uploads/2023/07/d7157ffe05490b4662853ee3b0e81247.jpg?quality=75&amp;w=600</thumbnail_url><thumbnail_width>600</thumbnail_width><thumbnail_height>338</thumbnail_height><description>Heat is a silent hazard sitting beneath cities, threatening to shift infrastructure. A study published this week in Communications Engineering, outlines how heat could be changing major cities, but urban areas throughout the U.S. may not be prepared. Study researchers set up more than 150 sensors above and below ground throughout the Chicago Loop. They [&hellip;]</description></oembed>
