These three primary models of ESD events are Human Body Model (HBM), Machine Model (MM), and Charged Device Model (CDM).

这三种基本静电模型是：人体放电模型、带电器件放电模型、机器放电模型。

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Safe enough to go into the human body, the hydrogel prevents biofilms from growing and, thanks to its positive charge, attracts negatively charged microorganisms, which it then pops like water balloons.

ENGADGET: Alt-week 1.26.13: quadruple DNA helixes, Byzantine mutants and battling hospital bugs