On Wednesday, April 15, Clarkson Mathematics Professor Takashi Nishikawa presented the last segment of the five-part Science Café Spring Series. Nishikawa began with a discussion of the initial "small world" experiments. These network-model experiments birthed the "six degrees of separation" phenomenon. Nishikawa employed the widely known pyramid scheme to help the audience conceptualize the astonishing notion that any two people in the United States are potentially a mere 5.2 "jumps" apart. He also discussed randomness and the accuracy of predictions of more recent social network models. Nishikawa closed with examples of biological, technological, and social networks.
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