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Body scanners intrusive,[link widoczny dla zalogowanych]
But those scanners are coming to many American airports,[link widoczny dla zalogowanych], as part of the federal government's response to the Christmas Day attempted bombing of a Northwest Airlines jet over Detroit. The new scanners use low-level X-rays or radio frequencies to see through clothing and find threats that metal detectors cannot,[link widoczny dla zalogowanych], like ceramic knives and bomb components. Such a body scan would have helped screeners detect the explosive packet carried by Umer Farouk Abdulmutallab,[link widoczny dla zalogowanych], says Homeland Security Secretary Janet Napolitano and security experts. Napolitano recently said she would speed up the installation and deployment of hundreds of the machines at airports across the country. airports already use them.
The safety issues seem easy to answer. Some of the machines use minimal X-rays,[link widoczny dla zalogowanych], the equivalent of your exposure from just two minutes of flying on an airplane,[link widoczny dla zalogowanych], the Transportation Security Administration says. Other models use radio wave transmissions that emit much less energy than a typical cell phone transmission. So they're safe. Effective? Yes,[link widoczny dla zalogowanych], to a point. They can't detect contraband that is smuggled inside a body cavity. Privacy? This is a real concern. Federal officials say the machines will blur your face and groin area. The machines will not store,[link widoczny dla zalogowanych], print,[link widoczny dla zalogowanych], transmit or send your image. Advertisement
It must be deleted by the operator before another image will appear,[link widoczny dla zalogowanych].
Still,[link widoczny dla zalogowanych], the scanners are incredibly intrusive. They also will likely lengthen security lines and add waiting time.
That's why the machines should be used as a secondary line of screening,[link widoczny dla zalogowanych], as they were when first introduced a few years ago. They should be used on passengers who require additional scrutiny,[link widoczny dla zalogowanych], not on everyone in line,[link widoczny dla zalogowanych], as the TSA plans to do.
Scanners are useful,[link widoczny dla zalogowanych], but no single system or device will stymie every attempt. Terrorists always probe for vulnerabilities,[link widoczny dla zalogowanych], seeking new avenues of attack. With luck and determination,[link widoczny dla zalogowanych], we'll develop new ways to thwart them.
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