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Flash of brilliance

作者:全呶疏    发布时间:2019-03-06 04:08:22    

By Ian Sample A STRANGE new material that contracts like a muscle when you shine light on it could one day make brain surgery safer. The light-activated material could be used in surgical tools, keeping electricity well away from sensitive brain tissue. Most artificial muscles use polymers that contract when a voltage is applied across them. Others need to be immersed in solutions of ions to work (New Scientist, 3 June 2000,

 

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