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Coorperations
Max-Planck-Institut für Gravitationsphysik, Leibniz Universität Hannover, Max-Planck-Institut für Quantenoptik,
University of Glasgow, Cardiff University, University of Birmingham, Universitat de les Illes Balears
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The tube in the trench

Light at the end of the tunnel: The vacuum tubes, 600 m in length, are suspended rotary. The tubes, made of corrugated high-grade steel, have a thickness of 0.9 mm and a diameter of 60 cm. Credit: Albert Einstein Institute Hannover
The tube in the trench
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