How do we know what people in earlier times knew? The Antikythera mechanism is an ancient mechanical computer designed to calculate astronomical positions. It is thouight to have been constructed in the or century BCE.
Did anyone else think in season 1 that Gideon was the one that dipper needed to keep the journal away from then like season 2 changed everything. Dipper had to keep the journal away from a flying triangle that went all evil on us.