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GE officials on Tuesday said the devices might also be used with airline freight containers, or that puffers might scan cargo and luggage as well as passengers.
How quickly all of this technology will be rolled out isn't clear. Sweeney said "we want to make sure it works," and GE officials later said it's important the equipment be reliable and not set off false alarms.
The cargo container devices, for example, must function in harsh weather conditions.
One approach is to develop what are called orthogonal sensors, each of which uses a different sensing method, so that they're not all susceptible to the same kinds of errors. That could also help eliminate the false positives and enhance reliability.
<<Times Union (Albany, NY) (KRT) -- 01/27/06>>