examples

• science tattoos
  • phylogenetic tree
  • electronics
    • crystal radio
    • RFID antenna
  • Pioneer plaque
  • chemicals
    • capsaicin
    • uranium
    • testosterone
  • history
    • moonshot
    • Ötzi the Iceman (Brad Pitt has one too)
  • math
    • never-ending sequence
    • Julia set
  • everything
  • nerve cell
• Lego tattoos
• synthesizer tattoos
• geek tattoos
• BMEzine directory

specific techniques

• blacklight tattoos (more)