Computers, not humans to scan carry-on bags in TSA test

(AP) – Federal officials said Tuesday that they are expanding tests to speed up airport lines and improve security.
In a first in the U.S., the Transportation Security Administration said Tuesday that it plans to begin using computed-tomography or CT scanners to inspect carry-on bags at one checkpoint in the Phoenix airport by the end of the year.
CT scanners are already used to screen checked baggage. The process is mostly automated — the scanners generate 3-D images that are analyz