New TSA 3D scanners have smaller entry tunnels, requiring carry-on bags to be no larger than 22 by 14 by 9 inches. Travelers whose carry-on bags do not fit the new scanners may be sent back to the ...
The Transportation Security Administration has been expanding the use of new computed tomography, or CT, scanners that create 3D images of carry-on luggage. The technology is designed to improve ...