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10/16/2007

May 13–May 19, 2008

Problem

Show that on every great circle around the Earth, there are two antipodal points that have the same temperature. (Assume that the temperature on Earth is a continuous function.)

Solution

here.

List of solvers

Doug Sherbon, Steve Wilmarth (undergrad); Dustin Moody, Robert Bradshaw, Doug Faust, Jacob Lewis (graduate); Konrad Schroder (staff); Marina Meila (faculty); Stefan Sharkansky Lloyd Sakazaki Kate Smith (outside).

Marina Meila wins the prize!