South Slope Nano Devices
South Slope Nano Devices is the nano-lithography arm of Gotham Silicon, a silicon fab operating out of Columbia University's Nano Initiative clean room in New York City.
Projects
Mosaic
A 29mm sapphire-and-gold collective disk. 1,124 community-generated tiles. File-locks May 24, 2026.
See the campaign →Pi Plate
A 5-inch sapphire plate with the first billion digits of π etched in gold. 750 nanometers per pixel — at the limit of visible light.
Read the writeup →