![]() ![]() Inside Chicago O'Hare Airport's $8.5 billion revampĬT technology first began to make headlines back in 2018. That’s better security, better decisions.” “From a security point of view, they’re able to make very accurate decisions about what the materials are in your bag: Is it a likely threat material or is it benign. “You can get a lot of information from a 2D image but if you’ve got a 3D object in your hand you get a lot more information,” says Riordan. Just as with the CT scans we know from hospitals, the security scanners at airports replace conventional 2D X-ray scanning with much more precise 3D imaging. Kevin Riordan, head of checkpoint solutions at Smiths Detection, the company that provides Shannon’s security equipment and a global leader in computed tomography technology, explains. So how does this new CT technology work, which airports are already using it, and why aren’t more places relaxing their restrictions? Donegal Airport, in the northwest of Ireland, has also followed suit by installing new technology and dropping the 100-milliliter rule. Implemented during the pandemic, it was only when international travel resumed in March 2022 that the airport’s move started to gain wider attention. “It is one of the projects Shannon Group took on during the period of severe travel restrictions on aviation,” Nandi O’Sullivan, the group’s head of communications, tells CNN Travel. The world’s first Duty-Free shop opened here in 1947, and in 2009 it became the first airport in the world, outside of the Americas, to provide full US pre-clearance facilities. It’s not the first time Shannon, Europe’s most westerly airport, was a global pioneer. Liquids and electronics could now remain in bags, with no restrictions on liquid volume, and cabin bags could be whisked through the scans in new larger trays. However, at many airports around the world new technology is already in place that will allow that rule to be scrapped, and some are now beginning to drop the ban.īack in October 2021, Shannon Airport, in the west of Ireland, quietly announced its new state-of-the-art computed tomography, or CT, scanning security system, installed at a cost of €2.5 million (about $2.6 million). The requirement to put liquids into 100-milliliter containers and take electronics out of bags has been a staple of air travel for nearly 16 years. A quiet revolution is underway in how we transit airport security – but most of us won’t even have noticed. ![]()
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