ScienceDaily: Top Environment News |
| Could lightning strikes be used to break down rubble into useful components of cement and aggregate? Posted: 05 Oct 2012 09:37 AM PDT Every year several millions of tons of building rubble are produced. An efficient way of recycling concrete – the building material of the 20th and 21st century – does not yet exist. Researchers are working on new recycling methods, and with the aid of lightning bolts, they can break down the mixture of cement and aggregate into its components. |
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