Rusty rind adds magnetic allure to nanotubes

 作者:洪神     |      日期:2019-03-02 07:20:02
By Paul Marks (Image: Huiqun/Meifang/Yaogang) Engineers are used to combining two or more materials to make a composite with superior properties, such as the strength and lightness achieved by setting carbon fibres in an epoxy resin. For those working at the nanoscale, however,