Junk Statistics Article

Something to look over with students: Recent article on bad statistics
The case echoes a similar statistical legend — the belief that to be healthy we should drink eight glasses of water a day. Last week, researchers at the University of Pennsylvania decided to search for the source of this statistic. Their conclusion: “It is unclear [...]

Forces on a Truss

(Today’s student guest is Erik Lundvall.)
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This problem pertains to construction and the way a given force acts upon a given structure. Trusses are triangular pieces used in the construction of some buildings to support weight of other objects such as the weight of the roof for example. In this particular problem the truss extends from [...]