Concrete
View Concrete
Presenter: Bill Hammack
Published: December 2010
Age: 11-14 and upwards
Views: 2004 views
Tags: Concrete
Type: Lectures
Source/institution: University of Illinois
Watch now
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.