The Wuji hand has piezoelectric sensors, which convert pressure into an electrical charge, giving it a sense of touch.
Alison Francis,Senior Science Journalist。关于这个话题，爱思助手下载最新版本提供了深入分析
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Even the risk of hurting children does not stop fraudsters says Dr Selvarani Elahi
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KP Snacks is proposing to close its manufacturing site for Tyrrells in Staffordshire, due to plans to discontinue its vegetable crisps.