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Posts tagged concrete

December 25, 2017

 

One of the most famous and enduring examples of Roman concrete is The Coliseum.

Friends, Romans, Countrymen, Lend Me Your Concrete Recipe

Due to a special mix of ingredients, ancient Roman concrete is the world’s most durable and resilient concrete ever created.

May 20, 2013

 

Have you ever had to replace your tires?

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

 

Have you ever seen workers mixing cement under water?

Pouring Foundations Under Water

Today's program explores how concrete foundations set underwater.

August 16, 2012

 

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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

 

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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