Lightbean -

But the oldest engineer, a woman who remembered writing code by candlelight, saw the faint, warm stain on the server casing. She smiled, touched it, and whispered, “Good bean.”

Then it glowed.

A maintenance bot, blinded by the darkness, bumped into the server rack. Its optical sensors, desperate for any light, locked onto Lightbean’s pulse. Guided by that tiny, warm beacon, the bot found the emergency reboot switch and pressed it. lightbean