The Transportation Security Administration (TSA) is rolling out new CT scanners at airport security checkpoints, which could impact travelers with carry-on luggage. These new machines create detailed three-dimensional images of everything inside a bag, helping security officers inspect items more efficiently. The goal is to reduce the need for opening bags during screening, which can save time and improve the overall passenger experience. However, the TSA has noted that the new scanners have a smaller opening than the older machines. This means that not all carry-on bags may fit through the new equipment. A TSA spokesperson explained that the smaller size is necessary to accommodate the advanced imaging technology and ensure the scanners work effectively. Travelers with oversized bags may face challenges, as these could get stuck in the scanner and require passengers to check their carry-on luggage instead. To avoid issues, the TSA is advising travelers to follow the size guidelines provided by their airlines. Airlines typically recommend specific bag dimensions to ensure they fit through standard security equipment. By adhering to these guidelines, travelers can help prevent delays at the checkpoint. The new CT scanners are designed to provide a clearer view of a bag’s contents without the need for manual inspection. TSA officers will be able to use a monitor to rotate and zoom in on the 3-D X-ray images, allowing them to examine items in detail. This technology is expected to streamline the screening process and enhance security by enabling more thorough inspections without the need to physically open bags. The introduction of these scanners marks a significant step in modernizing airport security procedures.