News tagged with environmental deterioration

Search results for environmental deterioration

Can lightning strike an indoor pool?

Two swimming pool weather policies have surprised me in recent years. One was when I showed up to swim laps at an outdoor pool as it was beginning to drizzle. "Come on in," I was told; as long as there was no lightning, the ...

date22 hours ago in Earth Sciences
shares11 comments 0

New concrete composite can heal itself

In the human body, small wounds are easily treated by the body itself, requiring no further care. For bigger wounds to be healed, the body may need outside assistance. Concrete is like a living body, in that ...

dateJun 30, 2015 in Materials Science
shares29 comments 0

Giving freight rail tracks a boost

The big chunks of rock—crushed limestone or dolomite that engineers call ballast—that keep railroad tracks in place look like a solid footing even as freight cars rumble overhead.

dateMay 15, 2015 in Engineering
shares41 comments 1

List of search results for environmental deterioration