The Transportation Security Administration, as part of a pilot program, is testing screening technology designed to scan sealed bottles for liquid explosives.

The TSA said the hand-held devices are already in use at some airports including Miami International, Newark Liberty International and Boston Logan International. Other airports such as Detroit Metro, Los Angeles International and Las Vegas McCarran International will be added later in the year.

The TSA said the scanners, manufactured by ICx Technologies, are being used in airport environments for the first time under the pilot program.

The pilot program dovetails with TSA procedures put in place last August that effectively banned liquids, gels and aerosols in carry-on luggage after a plan to use liquid explosives to bomb an airplane flight between the U.K. and the U.S was foiled.

Last September, the TSA eased the procedures to permit travel-sized amounts of liquids, gels and aerosols, providing they are contained in a clear, one-quart size zip top plastic bag.

"Though we do not anticipate changes to the liquid ban in the near future, this flexible and accurate new technology gives an important additional tool to our security officers," said Mike Golden, TSAs chief technology officer, in a statement.

To contact the reporter who wrote this article, send e-mail to Michael Milligan at [email protected].

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