From The Inquirer:
WATER DAMAGE – the bane of mobile phone makers and users alike – could be a thing of the past thanks to a plucky Yorkshire company, Peratech.
The company produces a conductive material which it calls QTC (Quantum Tunnelling Composites). Its codename – curious grey stuff – is more descriptive.
QTC can be used to build ultra-thin switches, in the region of 15 microns, that can create extremely flexible and – more importantly, waterproof – handset keypads or keyboards.
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