http://www.fibristerre.de/
The entrepreneurs have developed a digital sensor on the basis of one single glass fibre sensing even the smallest earth movement. "Using our fibre we can monitor each structure uninterruptedly and record the strain at any point", says Nils Nöther from fibrisTerre. The sensor - a 1/8th mm glass fibre with plastic sheathing - is placed in the soil, either as an individual fibre or as a mat. The sensors detect any crack as small as it may be along a distance of some hundred metres up to several kilometres and signals it accurately to the metre.
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