rohit khare rohitknownowcom sure object particular head lettuce may unique tracking lettuce heads tracking idea lettuce head capitalist system ownership relation besides worst case damn object ids arent compressible best representation unique head lettuce think head lettuce course accumulator much easier write since pauli exclusion principle guarantees adding head lettuce bin _atomic operation_ rohit monday august 12 2002 0956 pm damien morton wrote highly error corrected atomic level 3d encoding scheme relies shape colour chemical make uniquely identify every object universe objects uniquely identify theres need barcodes httpxentcommailmanlistinfofork permanent email address kharealumnicaltechedu httpxentcommailmanlistinfofork mon 12 aug 2002 232225 0700 nytimescom article bigger bar code inches retailers