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Pat Lambie may quit rugby
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<blockquote data-quote="Brigantine" data-source="post: 861989" data-attributes="member: 73940"><p>In other non-sporting professions where there's a risk of a powerful knocks to the head, they wear hardhats, which by volume are mostly empty space - but that empty space is a key part of the protection.</p><p></p><p>I doubt that availability of materials is the main issue. Possibly more one of specifications. Ultimately pure geometry sets a theoretical minimum thickness too, regardless of how much energy you can absorb. (speed vs stopping distance vs acceleration - it's acceleration of the skull that counts right?)</p></blockquote><p></p>
[QUOTE="Brigantine, post: 861989, member: 73940"] In other non-sporting professions where there's a risk of a powerful knocks to the head, they wear hardhats, which by volume are mostly empty space - but that empty space is a key part of the protection. I doubt that availability of materials is the main issue. Possibly more one of specifications. Ultimately pure geometry sets a theoretical minimum thickness too, regardless of how much energy you can absorb. (speed vs stopping distance vs acceleration - it's acceleration of the skull that counts right?) [/QUOTE]
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