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<p>[QUOTE=&quot;AngelKitty, post: 1442399, member: 37889&quot;]Hm, I dunno if I want to go that extreme yet (and I doubt I&#039;d be allowed to use the school&#039;s liquid nitrogen for that purpose XD). Think I&#039;ll stick with dry ice for now, -78C is still way colder than my freezer.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>Maybe if you dropped it? I&#039;ve put a penny in liquid nitrogen before, and left it there for a while, the penny was fine. I didn&#039;t take it out and try dropping it/chipping stuff off of it, though. I also don&#039;t remember if it was a zinc penny or a copper penny, which may or may not make a difference.[/QUOTE]</p><p><br /></p>

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