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Hal Harris's picture

The Thermodynamic Sinks of this World by Roald Hoffman

Mon, 06/24/2013 - 16:29 -- Hal Harris

Nobelist Roald Hoffman usually chooses an intriguing topic for his regular contributions to the Sigma Xi bimonthly, American Scientist. For the current issue, he has chosen to examine the question, "What would be the result of mixing a collection of the elements we find on earth and its nearby environment and heating them up enough to encourage them to react?" This "Gedankenexperiment"

Arrietta Clauss's picture

Using MOOCs to Create a Flipped Classroom

Fri, 05/31/2013 - 10:57 -- Arrietta Clauss

Universities, community colleges, and high schools can use MOOCs to create an environment to enhance student learning.  Last fall a professor at San Jose State used recorded MOOC lectures in an introductory electrical engineering course to create a flipped classroom.  Students passed at a much higher rate than usual—91%, compared with 59% and 55% in two other, more traditional sections of the s

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