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Re:In Amish Country, the Future Is Calling by GregBuchholz on Friday September 15, 2017 @07:26PM (#15261695)
What is so special about transistors? There are many non-linear active devices that are relatively unexplored due to the local maximum of transistors. How about homemade flame triodes or magnetic amplifiers or memristor.. I think you are going to love these guys:

http://www.sparkbangbuzz.com/

http://ludens.cl/Electron/Electron.html

Re:In Amish Country, the Future Is Calling by leggomylibro on Saturday September 16, 2017 @10:30AM (#15264781)
Just an example; film deposition is useful for all kinds of things, including producing solar cells, but a single BJT or FET seemed like a fairly simple starting point.

Thanks for the links!