Nikola Tesla was a Serbian-American inventor known for work on alternating current and electrical systems, and his name has become online shorthand for eccentric genius, wild experiments and conspiracy-flavoured science jokes. The 304 version circulates as a short soundboard clip, shared for its oddly specific title rather than a famous scene or quote. Because the reference is instantly recognisable but the number feels random, creators reuse it as a label for sparks, inventions and overconfident ideas. That mix of real history and internet randomness keeps the clip useful for quick meme edits.