Ronald T. Merrill

Jan. 14, 2011

The Poles, They Are A Changin'

A Florida airport recently had to close its main runway to repaint directional signs, due to the changing location of magnetic north. We'll talk about the planet's magnetic field.

geomagnetism, geophysics, magnetic field

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Michael Pollan Talks Plants and Food

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Building Bridges From Plastic Shampoo Bottles

A New Jersey company transforms plastic waste into beams sturdy enough to support tanks and trains.

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