Archive: 18/05/2009

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 production of cement, ...

dateMay 18, 2009 in Environment
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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 connected to ...

dateMay 18, 2009 in Software weblog
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