Here's a tip: Indented cement shows unique properties

Here's a tip: Indented cement shows unique properties 07/26/2017 11:13 AM EDT Three key molecular mechanisms control the mechanics of layered crystals such as tobermorite, a natural crystal used by the Romans to make concrete. Full story at http://news.rice.edu/2017/07/19/heres-a-tip-indented-cement-shows-unique-properties/ Source Rice University This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111