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Posts tagged concrete

May 20, 2013

 

tires in a tire yard

When Rubber Wears Off Tires, Where Does It Go?

We're talking millions of pounds of rubber that perform a disappearing act every year!

November 23, 2012

 

shell mixed cement

Pouring Foundations Under Water

Today's program explores how concrete foundations set underwater.

August 16, 2012

 

a crack in the sidewalk with a small plant growing in it

Step On A Crack

Most people have discovered that if you step on a crack, it won't break your mother's back.

August 20, 2009

 

Road filled with potholes

Self-healing Concrete?

Have you ever been driving down a pothole filled street, thinking, "I wish the city, someone, anyone would fix the roads!"

September 30, 2003

 

The Oldest Human Footprints

Learn about the oldest human footprints on this Moment of Science.

September 27, 2003

 

The Case of the Shrinking Tires

By the time the average passenger car tire ends up at the scrap yard, it weighs six pounds less than when it was new. Multiply six pounds by the number of tires scrapped each year in the U.S., and we’re talking over three-quarters of million tons of rubber that perform a disappearing act every year!

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