A conversation across forty years. No words. Just copper, iron, and a diagram that had finally brought her father home.
For thirty years, she had traced the blue veins of electrical schematics, first for the Athens metro, then for the desalination plant on Naxos. When she retired, her hands were callused not from labor, but from the fine, precise work of crimping terminals and tightening contactors. Her magnifying visor sat on her head like a crown.
Elena snorted. A latching circuit? Every apprentice knew that. But this wasn't latching. This was a loop that held a state even after the coil lost power. Impossible. Contactor drops out, circuit breaks. Physics.
"What?"