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Earth

Smart mud could be the new plastic

By Colin Barras

20 January 2010

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

A hydrogel made from water, clay and a “molecular glue” is strong enough to support its own weight. Future, stronger versions could replace plastics

(Image: Takuzo Aida and Nature)

Could a mixture of water and clay replace plastics? The desire to wean the world off oil has sparked all manner of research into novel transportation fuels, but manufacturing plastics uses large amounts of oil too. Researchers at the University of Tokyo, Japan, think their material could be up to the task.

and his team mixed a few grams of clay with 100 grams of water in the…

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