Inside was a strange, sleek tool — part wrench, part sensor, part notebook. When she touched it, a small screen flickered: “Hello. I’m RJ. Show me a problem.”
Mara found the dusty gray box at a liquidation auction. Stenciled on the side: . rj01119634
Skeptical but curious, Mara pointed it at her leaky kitchen faucet. RJ’s screen displayed a slow, clear animation of the pipe interior, highlighted the broken washer, and narrated: “Turn off the main water valve first. It’s under the sink, red handle.” Inside was a strange, sleek tool — part