Posts tagged ‘cement’

Foamed cement and the BP oil spill

You may have read recent news reports about problems with the cement used by Halliburton to seal BP’s Macondo well that blew out and led to both the explosion of the Deepwater Horizon rig and the huge oil spill in the Gulf of Mexico. If the discussion of casings, foamed cement, and stability has left…


Is there concrete all around or is it in my head?

With In Our Time on hiatus until September and The Bugle in reruns for a month, I’ve been casting about for other podcasts to listen to. I decided to give Grammar Girl another try—I was a subscriber a couple of years ago—and downloaded several episodes. One of the first I listened to was “Concrete versus…