I walked into Blackdot's tattoo studio in Austin's east side on a sweltering May afternoon. After shaking my sweat-soaked hand, founder and CEO Joel Pennington led me up into an office building and opened the door to a small, three-room space. Critics have unflatteringly compared the studio to a sterile hospital room - a comparison not entirely without merit. In a corner room, the machine I had come here to see loomed: a humming, fridge-sized device reminiscent of an old X-ray unit. Blackdot calls it the world's first "automatic tattooing device."The space was filled with signs of the path traveled so far. Pennington handed me several slab …Read the full story at The Verge.