This was prompted by a [question by warren](https://publiclab.org/questions/warren/01-04-2018/how...
Problem finder and solver, air quality scientist by day, tinkerer by night and sci-fi fan later in the night! The one and only "El Gus" (or "Gusen" while in the land of the vikings).
Zengirl2 asked about about 1 month ago
warren asked about 4 months ago
stevie asked about 10 months ago
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