Concrete: A hard material engineers hope to make harder

For thousands of years, people have built civilizations with concrete made from readily available local materials. Just mix and heat, add some sand, stone and water and put it where you want it. Of course, give it time to ...

Not all cool pavements are created equal

Cool pavements can help keep cities cool, right? Yes, but according to new research from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), many reflective pavements have some unexpected drawbacks ...

It pays to repave in colder climates

Repaving roads is a costly and complicated process, especially when the road is a critical artery. But new research from Norway shows that switching to more durable asphalt could save significant amounts of money on some ...

Chinese city creates cellphone sidewalk lane

Taking a cue from an American TV program, the Chinese city of Chongqing has created a smartphone sidewalk lane, offering a path for those too engrossed in messaging and tweeting to watch where they're going.

Improved pavement markings can save lives

As spring finally emerges after a ferocious winter,, our battered roads will soon be re-exposed. While potholes and cracks might make news, a bigger concern should be the deterioration to pavement markings, from yellow to ...

page 3 from 5