* https://en.wikipedia.org/wiki/History_of_water_supply_and_sanitation
* https://en.wikipedia.org/wiki/Cloaca_Maxima
* https://spectrum.ieee.org/the-italian-computer-olivettis-elea-9003-was-a-study-in-elegant-ergonomic-design
* https://www.nytimes.com/2013/02/11/arts/design/olivettis-artful-breakthroughs.html
* https://spectrum.ieee.org/when-the-history-of-computing-comes-alive
* https://spectrum.ieee.org/the-silicon-dioxide-solution
* https://www.moma.org/calendar/exhibitions/2741?
* https://en.wikipedia.org/wiki/Olivetti_Elea
* https://en.wikipedia.org/wiki/Adriano_Olivetti#From_the_Post-World_War_I_period_to_the_years_of_Fascist_consensus
* https://en.wikipedia.org/wiki/Altiero_Spinelli
* https://en.wikipedia.org/wiki/Community_Movement
* https://mntre.com/media/reform_md/2026-01-31-dec-jan-update.html
* https://www.crowdsupply.com/mnt/mnt-reform-next#products
* https://shop.mntre.com/products/mnt-pocket-reform
* https://en.wikipedia.org/wiki/Super_8_film
* https://github.com/DarkZeros/LightInk
* https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/artificial-sweeteners/art-20046936
* https://en.wikipedia.org/wiki/Acesulfame_potassium
* https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Conditional_and_Iterator_Functions
* https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Text
* https://www.xda-developers.com/i-tried-multi-color-3d-printing-with-the-ams-like-canvas-module/
* https://openelab.io/blogs/learn/difference-between-elegoo-centauri-carbon-and-elegoo-centauri-carbon-2
* https://learn.adafruit.com/micropython-hardware-sd-cards/circuitpython
* https://docs.circuitpython.org/en/latest/shared-bindings/sdcardio/index.html
* https://docs.circuitpython.org/en/latest/shared-bindings/busio/index.html#busio.SPI
* https://learn.adafruit.com/circuitpython-on-the-xteink-x4-ereader/pinouts
* https://docs.circuitpython.org/projects/xteink_x4/en/latest/api.html#implementation-notes
* https://learn.adafruit.com/circuitpython-basics-i2c-and-spi/spi-devices
* https://github.com/adafruit/circuitpython/issues/10419
* https://github.com/adafruit/Adafruit_Learning_System_Guides/pull/3061
* https://www.luisllamas.es/en/micropython-cheatsheet/
* https://learn.adafruit.com/micropython-hardware-sd-cards/hardware
Jason J. Gullickson, 2026