One-Liner Competition 2012: Boris Faleichik's Grand Prize Entry
Yu-Sung Chang, Vitaliy Kaurov, Chris Carlson, Zach Parcell
This video from Mathematica Experts Live: One-Liner Competition 2012 shows Boris Faleichik's Grand Prize entry, which generates a dynamic interface where particles follow the mouse position using just 140 characters of Mathematica input.
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