This podcast from Transport Security International Magazine focuses on the evolution of body scanners used in airport security. It outlines the three main types of scanners – x-ray, millimeter wave, and infra-red – and discusses the advantages and disadvantages of each. The podcast highlights the advancements in millimeter wave technology, particularly artificial intelligence (AI) and machine learning (ML), which are enabling faster, more accurate scans, as well as reduced false alarms and improved passenger experience. The podcast also discusses the challenges facing the airport security industry, such as staffing shortages and increasing passenger demand, and how advanced body scanners are helping to address these issues.