Airport safety: magnetic fingerprinting in the fog?

By monitoring tiny fluctuations in the Earth’s magnetic field caused by a passing plane, a team of European researchers has developed an innovative system to increase airport safety even in the worst weather conditions.

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<p><a href="http://www.physorg.com/news120407030.html">Airport safety: magnetic fingerprinting in the fog?</a></p> <p>By monitoring tiny fluctuations in the Earth’s magnetic field caused by a passing plane, a team of European researchers has developed an innovative system to increase airport safety even in the worst weather conditions.</p>