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Surfaces and interfaces

Surfaces and interfaces

Fast-moving glaciers slide more easily

05 Jan 2015
Photograph of Neal Iverson and the Iowa State University Sliding Simulator
Slippery slope Neal Iverson pictured next to the Iowa State University Sliding Simulator, which tests how glaciers slide across their beds. (Courtesy: Bob Elbert/Iowa State University)
As glaciers move faster, they experience less friction between the ice and the ground below. This is

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Ian Randall is a science writer based in New Zealand
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