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Bad Ideas, cover Bad Ideas? Science, Technology and its Unintended Consequences

Bad Ideas? is a history of science and its unintended dangers. It argues scientists and public must work together for a shared understanding and vision.

Volcano eruption Why Ash from Volcanoes is a Problem for Aircraft

In 2010 and 2011 plumes of ash from Icelandic volcaneos caused flight cancellations across Europe. The ash is damaging and a safety issue for high flying jet aircraft. It raises the question: why if the dust is so fine is it a problem to aircraft? There are two principal reasons: it is very abrasive and it melts.

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