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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Tuesday, 12-Sep-2017 00:01:28 UTC Stephen Sekula My reply to @PhETsims - how this semester is going in one animated GIF: https://twitter.com/drsekula/status/907391763094097925/photo/1 https://chirp.cooleysekula.net/attachment/41248