What Happens When Magic Can Be Stored in Copper Coils and Sold Like Electricity? The lamplighter no longer carries a flame. Instead, she opens a brass panel beneath each streetlamp, removes a depleted copper coil, and slots a fresh one into place. Blue light climbs through the glass. Somewhere across the city, a meter records the charge, the street, and the expense. At the bakery, an enchanted oven holds its temperature through the night. At the hospital, a reserve coil keeps