Hertzian cone fracture

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Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

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Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

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Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news

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Hertzian cone fracture

mechanics

Learn about this topic in these articles:

glass fracture

In industrial glass: Strength and fracturing
…what is known as a Hertzian cone fracture, in which an expanding cone of glass is ejected from the side of glass opposite to the impact.
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