BW-5134H

IS THIS - AN END TO POTHOLES?

A new road surface - inspired by healing as it takes place in nature - could mean an end to potholes. Potholes would be "healed" without anybody having to work on them - using a new form of asphalt.

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TECHNOLOGY

BW-5122B

WASTEWATER TO BE RECYCLED?

In California, an ambitious plan may go ahead - to recycle waste water. Doing so could make a huge difference to water security - as long as safety, cost and the "ick factor" of recycled sewage are resolved?

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TECHNOLOGY