the best science on the web about
cement & concrete

Concrete Science
Image: iStockphoto.com/Praiwun

Concrete Science

Cement and concrete are solid mainstays of the construction industry. Literally! Without these strong substances, we wouldn't have the ancient Roman Colosseum or modern skyscrapers. Soon "smart" concrete may tell us when it's breaking, while cement may soup up our computers.

But here's the key point: cement isn't concrete. Cement goes into concrete. Find out more.

National Geographic
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Cement Truck Parking Game

Cement Truck Parking Game

Do you like heavy equipment? Want to try your hand at delivering cement? Then this game is for you. More...

Game
play181.com
Building Big: Materials Lab

Building Big: Materials Lab

Choose among concrete, reinforced concrete, plastic, and other construction materials, then see if you have the right stuff for your job. More...

Interactive
WGBH/PBS
Concrete’s Role as a Building Block in History

Concrete’s Role as a Building Block in History

Why are some ancient roads and bridges still in use, while modern ones are falling apart? Investigate the past, present, and future of concrete. More...

Article
NPR/Science Friday
Hope Floats in a Concrete Canoe

Hope Floats in a Concrete Canoe

Talk about a sense of humor: These civil engineering students build, and then race, concrete canoes. Find out more about the National Concrete Canoe Competition. More...

Video
Associated Press
How Does the Ratio of Sand to Cement Affect the Strength of Concrete?

How Does the Ratio of Sand to Cement Affect the Strength of Concrete?

With this activity, you'll be whipping up a batch of bricks, then discovering which recipe makes them strongest. More...

Activity
Science Buddies
Lasers Turn Cement into Liquid Metal

Lasers Turn Cement into Liquid Metal

Zapped with a laser, a type of cement turns into a "metallic-glass material" that might be an ideal ingredient in computer chips and monitors. More...

Article
CNN
New Chemistry, Less Energy Could Yield Greener Cement

New Chemistry, Less Energy Could Yield Greener Cement

Making 1 ton of cement sends about 1,700 pounds (770 kilograms) of carbon dioxide into the air. Every year, people make about 3 billion tons. Now, a scientist thinks he has a solution. More...

Article
National Geographic
Roman Cement

Roman Cement

See how the ancient Romans made cement. Without it, their famous buildings, roads, and artificial water channels (aqueducts) could not have been built. More...

Video
Discovery
Science of Innovation: Smart Concrete

Science of Innovation: Smart Concrete

Suppose concrete could tell us it was about to break, even before cracks appeared. Actually, such "smart" concrete exists. See how it cries for help. More...

Video
National Science Foundation/NBC

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