TSA Puzzle of the Day

Flying out of IAD yesterday I noted that all of the x-ray bins had been numbered. It clearly took work to do this. But when I ask some of the TSA officers no on had an answer.

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Related

I just returned from a four-day trip to Helsinki, and

The word “robot” first appears in Karel Capek’s 1921 play

While in Seattle last week, I was able to visit