• Light shows
    Light shows
  • LASIK
    LASIK
  • Printing
    Printing
  • Hair removal
    Hair removal
  • Gravitational wave detection
    Gravitational wave detection
  • Weaponry
    Weaponry
  • Cutting
    Cutting
  • I can only pick one??
    I can only pick one??
  • I have to pick one??
    I have to pick one??
  • LaserDiscs, duh
    LaserDiscs, duh
  • Another one I'll point out in the comments
    Another one I'll point out in the comments
1034 votes