Concrete

View Concrete Hammack concrete

Presenter: Bill Hammack

Published: December 2010

Age: 11-14 and upwards

Views: 1141 views

Tags: Concrete

Type: Lectures

Source/institution: University of Illinois

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Bill moves a piece of sewer pipe into his office to show how important the ancient material concrete is to our modern world. It, of course, wreaks havoc on his office.

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