"Metal glue" could replace welding and soldering – in some applications [feedly]

http://www.gizmag.com/mesoglue-metal-glue/41292/

Usually, if you want to join two metal objects together, you either weld or solder them – depending on how big they are. Both processes involve the application of heat, however. This can damage the items (in the case of electronics), or even cause explosions (in the case of things like gas pipes). That's why scientists at Boston's Northeastern University created MesoGlue. It's a glue that bonds metal to metal – or to other materials – and it sets at room temperature.

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