Hardware Store Marauder’s Map is Clarkian Magic
https://hackaday.com/2025/12/20/hardware-store-marauders-map-is-clarkian-magic/

The “Marauder’s Map” is a magical artifact from the Harry Potter franchise. That sort of magic isn’t real, but as Arthur C. Clarke famously pointed out, it doesn’t need to …read more (https://hackaday.com/2025/12/20/hardware-store-marauders-map-is-clarkian-magic/)