On September 9, 1947, computer science encountered its most poetic literalism when operators at Harvard University extracted a two-inch moth trapped inside Relay #70 of the Mark II Aiken Relay Calculator. Glued to the logbook with cellotape beneath the notation "First actual case of bug being found," the ill-fated insect didn’t invent the term—engineers had used "bug" to describe mechanical quirks since Edison—but it cemented it into the digital lexicon forever. Grace Hopper’s team popularized the incident, capturing a profound truth that modern software engineers still grapple with: systems often fail not from grand philosophical design flaws, but from microscopic, physical absurdities infiltrating the architecture. What began as a biology-meets-hardware anomaly evolved into an eternal discipline—debugging—reminding us that beneath our towering abstractions of logic, computation remains inextricably tethered to the messy, tangible world.