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As many of my peers are likely snapping their fingers trying to find inspiration for blog posts, I'd like to describe what really causes the sound of these snaps. 

The sound of a finger snapping really comes from 3 different parts of the snap. First, there is the friction sound between the middle finger and the thumb that occurs at the beginning of the snap. This part is quiet, but noticeable if you put some sort of buffer on your palm that prevents any sound from coming from there. After that comes the sound of the collision of the middle finger and the palm, and this creates sort of a slapping sound. The final and most important aspect of the sound comes from the rapid compression and then decompression of air that comes as a result of the middle finger impacting the palm. This creates the sort of popping sound that snaps are most well known for. 

Snap on my physics associates, I believe in you. 



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