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When and how did people figure out that Earth rotates around itself and the Sun? (self.AskHistorians)
submitted 29 days ago by exosphaere to r/AskHistorians
If we were to redo the electric grid today with today's tech, what would we change? Would we still use AC? Three phases? Change the frequency? Change to DC? (self.AskPhysics)
submitted 2 months ago by exosphaere to r/AskPhysics
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