Chinese scientists find way to stop phones overheating, inspired by Hong Kong’s Ocean Park

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3D-printed surface is used to mimic Araucaria tree leaves’ ability to make liquid spread in more than one direction. Altering two centuries of wisdom, the discovery has possible uses in cooling electronic devices, pregnancy tests and anti-counterfeit labels.

Science“The structure seems simple, but we could not have created it without the help of mother nature,” lead researcher Wang Zuankai told theThe surface replicating the leaf structure could be used to prevent electronic devices such as phones overheating, he said, by sending liquid in a certain direction rapidly to speed up heat dissipation.

The method could also be used to make labels for products to verify their authenticity, by applying liquid that would show a particular pattern of flow, Wang said. “For the first time, we demonstrated directional transport of different liquids on the same surface,” said Wang, chair professor in CityU’s mechanical engineering department.

 

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