The new "photon-acceleration-through-Glass-Glow-LCD" (PATGGLCD or PAT2gL) is more precise than normal "heated-photon-laser" (hpLASER xd), which can be used for, I dunno, CNC or something 'coz the beam is going almost through the object:
http://img688.imageshack.us/img688/7761/25861770.png