Physics of a tattoo line

Physics of a tattoo line

The Experiment

Similar to the single poke in our "How the in enters the skin" video, we used a single round liner in gelatin to capture this shot. The tattoo machine was attached to a motion controlled axis to allow a repeatable programmed feedrate to be achieved. From there we calculated the approximate spacing desired for our line and setup the tattoo machine frequency and the linear motion stage speed to produce the pattern seen in the video. This is the same concept shown in our "Tattoo Hand Speed Calculator".

The Discovery

In this video were able to observe and document, for the first time ever in the world, an interaction between the current needle puncture and previous needle puncture. Our observation shows that the previous puncture in the line takes up an additional amount of ink in a second event at the same time the current puncture has it's initial event. 


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