Inside this particular midcentury brick building, the gravel crunches beneath our feet as Shawn Bainbridge, one of the brewery’s co-founders, show us around...Since 2014, he has worked as a research engineer at the Georgia Tech Research Institute (GTRI), where he specializes in the design and analysis of FPGAs (Field Programmable Gate Array) — devices that allow people to create and configure digital circuits for a wide range of applications.