Saad Bhamla: This is one of those examples that we joke that we can snap our fingers and get data.
Hopkin: That’s because Saad Bhamla and his students just wrapped up a study of the physics of finger snapping. They found that the right amount of friction is key to a successful snap. Their work appears in the Journal of the Royal Society Interface. [Raghav Acharya et al., The ultrafast snap of a finger is mediated by skin friction]
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