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Stephen Sekula (steve)'s status on Friday, 11-Oct-2019 19:50:41 EDT Stephen Sekula From brianwfrank https://twitter.com/brianwfrank on Twitter: When its Friday and you should be grading but you are playing around with PhET simulations. https://twitter.com/brianwfrank/status/1182739722738847745/photo/1 https://chirp.cooleysekula.net/attachment/61872