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

Sensors are combining with sensor to create sensor arrays. These

Each Tuesday, I’ll post interesting infographics I’ve come across: Here

for those of you waiting for 3DTV without glasses, here