Sunday, February 20, 2011

Sip holes and seams

Sip holes and seams
Originally uploaded by martin_kalfatovic
Next time you get a cuppa at Starbucks or wherever you get a sip hole lid and a paper cup with a seam, take a look at how close the seam and the sip hole are nearly lined up.

It's most of the time.

What are the tactile physics behind this phenom?

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