Archive: 05/18/2009

How Solid Is Concrete's Carbon Footprint?

(PhysOrg.com) -- Many scientists currently think at least 5 percent of humanity's carbon footprint comes from the concrete industry, both from energy use and the carbon dioxide (CO2) byproduct from the produc ...

May 18, 2009 2.8 / 5 (4) 0

KIDO'Z: Internet for Kids

(PhysOrg.com) -- When my son first started going to pre-school, I was surprised by the fact that there was a computer in the classroom. Aren't 3-year-olds a little young for this? However, the computer wasn't ...

May 18, 2009 5 / 5 (8) 0 weblog