Perhaps the paranoid schizophrenics weren't that far off the mark. NASA plan to read passengers' minds at airports, using "space technology". ("Space technology"? As in "recovered from alien spacecraft"? It makes one wonder.)

"We're getting closer to reading minds than you might suppose," says Robert Park, a physics professor at the University of Maryland and spokesman for the American Physical Society. "It does make me uncomfortable. That's the limit of privacy invasion. You can't go further than that."

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