The Sonic Screwdriver is a long-running gadget from Doctor Who, the British television series that began in 1963. Its signature electronic effect became widely recognizable through modern episodes and fan culture, then spread further in memes, edits, and short videos as a shorthand for advanced tech doing the impossible. People still use it because the sound is brief, instantly readable, and strongly tied to a famous TV prop. Even outside Doctor Who fandom, it quickly tells viewers that something is being scanned, unlocked, or magically fixed.