For my fellow steampunk authors who want to feature alternative computers in their stories.

Originally shared by HACKADAY

We’ve always been fascinated at the number of ways logic gates can spring into being. Sure, we think of logic gates carrying electrons, but there are so many other mechanical means to do the same thing. Another method that sometimes has a practical use is…

http://hackaday.com/2017/08/19/logic-gates-under-air-pressure/