Good Richard's Almanac: Does Schrodinger's Cat Have A Passport?

November 22, 2006

Does Schrodinger's Cat Have A Passport?

Moreover, is Schrodinger's Cat a terrorist?

Noticed this in an AP press release regarding the requirement that everyone entering the U.S. present a passport:

Virtually all air travelers entering the United States beginning Jan. 23 will need to show passports - even U.S. citizens

Even U.S. citizens?

Is the author of this press release implying that U.S. citizens have some identifying mark that differentiates them from non-U.S. citizens? How are we to identify citizens if not with credentials?

The article tries to answer:

Until now, U.S. citizens, travelers from Canada and Bermuda, and some travelers from Mexico who have special border-crossing cards for frequent visitors were allowed to show other proofs of identification, such as drivers' licenses or birth certificates.

Ah, well. I'm surprised the Department of Homeland Security is even concerned, after all, we have Special Border Crossing Cards. How quaint.

Why wasn't this enacted five years earlier?

Schrodinger's Cat paradox tells us that without checking a traveller's passport, they're both a citizen and not a citizen at the same time.

Posted by Richard at November 22, 2006 1:46 PM

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