To listen to this article click here. IRA FLATOW, HOST: This is SCIENCE FRIDAY. I’m Ira Flatow. If you’re a regular listener to this program, you know that one of my favorite topics is concrete. I know it sounds weird. It is a fascinating material, though, with a fascinating history. It’s everywhere, right. We use [...]
Archive for February, 2012
Concrete’s Role As A Building Block In History
Posted: 21st February 2012 by wayneadmin in Uncategorized0
Sea urchin spine structure inspires idea for concrete
Posted: 17th February 2012 by wayneadmin in concreteBy Jason Palmer Science and technology reporter, BBC News The precise structure of sea urchins’ strong spines has been unravelled – and the find may contribute to stronger concrete in the future. The tough spines are known to be made of calcium carbonate, which has a number of naturally occurring forms, some more brittle than [...]