Planes write out pi over the skies of San Francisco Bay Area

Posted on 14 September 2012. Tags: , , , , , ,

Planes write out pi over the skies of San Francisco Bay Area
Many denizens of the San Francisco Bay Area and Silicon Valley noticed a long series of cloudy numbers in the skies around noon on Wednesday, September 12. No, their coffee wasn't spiked with hallucinogens. The ephemeral event, known as Pi in the Sky …
Read more on CNET


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