(ONLINE.WSJ) — Next to have their jobs automated: airport-security screeners?

Aviation and government authorities are starting to use machines in lieu of people to verify the identities of fliers by scanning their faces, irises or fingerprints. Dozens of airports in Europe, Australia and the U.S. already employ such technology so passengers can pass immigration checks without showing identification to, or talking with, a person. Now, several major airports in Europe have started using these automated ID checks at security checkpoints and boarding gates.
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Q&A: What Robots Mean for Airport Security

The use of biometrics—computers verifying identities through physical characteristics—and other automated techniques in airport security is raising questions about the strengths of man versus machine in detecting potential terrorists. Industry officials argue the advantages outweigh the risks, and are promoting automation to help make air travel more efficient and less frustrating—and to save money.

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