Even if your hands feel dry your fingerprints are still sweating. This incredibly magnified time lapse shows a sweating human finger and tiny beads running into the lines of the finger print [full video, HD by Timelapse Vision: buff.ly/3PouGrG]
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i’m a mess inside and out don’t need time lapse to clue me in on this fact
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ok, the next hand shake will remind me on this : a mutual unintentional exchange of sweat.
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It is this process that interrupts finger print recognition on phones very frequently.
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