Skip to comments.
Incredible New Feats of Concrete
Businessweek ^
| November 13, 2007
| by Jennifer Fishbein
Posted on 11/15/2007 2:53:39 PM PST by Squidpup
click here to read article
Navigation: use the links below to view more comments.
first previous 1-20, 21-40, 41-42 last
To: GOPJ
Years ago I was impressed with concrete that could be poured under water.Isn't that a Roman Era innovation? I would hope we've come farther than that!
42
posted on
11/16/2007 2:07:01 PM PST
by
krb
(If you're not outraged, people probably like having you around.)
Navigation: use the links below to view more comments.
first previous 1-20, 21-40, 41-42 last
Disclaimer:
Opinions posted on Free Republic are those of the individual
posters and do not necessarily represent the opinion of Free Republic or its
management. All materials posted herein are protected by copyright law and the
exemption for fair use of copyrighted works.
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson