Sound Waves Save Roads
Wednesday, September 23, 2009 - 12:36
in Mathematics & Economics
Every year European roads are built and repaired to the tune of several billion Euros. Intensive efforts are underway all over the world to get 'more road for your money' by developing better methods for both design and quality control of materials. One problem is that today there are no good methods for checking how robustly and safely the roads were built. Therefore they often don't last as long as they were supposed to and more money has to go to road construction. But now a young scientist has developed a method where sound waves can reveal what a road looks like underneath and thereby show whether it is being properly built.
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