
This is Colin Brown - Colin, Julia and Harry were Ph.D. students together in Cambridge University, Department of Metallurgy and Materials Science. |

He is commenting on the effect of ash on aircraft engines |

This is an image of the damage caused to a turbine blade by volcanic ash |

Colin says (paraphrased) "if this happens and engines shut down, the plane will crash and people will die" |

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The meteorological office in the UK issues reports of the spread of the ash using the best models |

"It is not worth the risk" |