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Reviewing Changes at Airport Security Checkpoints
Thursday, 02 December 2010
When traveling during the holidays, visions of family and good food and drink go through the minds of travelers. However, that list should also include heightened airport security, something that can leave travelers feeling anything but the holiday joy. Fortunately, the government is working towards ways that will help make the experience at security checkpoints less of a hassle and the recent addition of advanced imaging technology does just that.

The Transportation Security Administration (TSA) has begun using two different types of body scanners, the Millimeter Wave Unit, which uses electromagnetic waves to create a 3-D image of the passenger, and the Backscatter Unit, which uses X-rays to create an image of the passenger's body.

These systems are designed to ensure the privacy of the passengers and as such the security officer does not see the images. Instead they are sent to a separate room, evaluated, and the results are given to the security officer via headset. Passenger anonymity is protected and no hard copies of the images are produced. The TSA also assures passengers that the devices are not a risk to health and safety.

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