Why do matches strike well on some smooth surfaces, like a water rounded rock, but not on some rough surfaces
[From: ] [author: ] [Date: 12-09-28] [Hit: ]
) Are there microscopic details that need to be considered? If so, what is the best rock, theoretically, for striking matches?-Its because you have uninterrupted friction - no time for the matchhead to cool off as it goes over the bumps - theres no bumps.......
Like a wet stone (aka, knife sharpener.) Are there microscopic details that need to be considered? If so, what is the best rock, theoretically, for striking matches?
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It's because you have uninterrupted friction - no time for the matchhead to cool off as it goes over the bumps - there's no bumps.
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