Research has shown that tattoo ink does not just remain where it is injected. Particles from the ink can migrate to the lymph nodes, where they accumulate.

Discover the top 10 free open-source tools ... Now go forth and create! The design world is your oyster; these tools are your shucking knife. (Too much? Yeah, probably. But you get the idea.) Most of ...

Yes, but any automated tattoo device would need some ability to raise and lower unless you wanted to draw a canyon through a recipient’s thigh. The device’s design involved modifying the ...