In 2022, a New York attorney made headlines when he used ChatGPT to prepare a legal brief, only to discover the AI had fabricated entire court cases—complete with convincing citations, judicial opinions, and legal reasoning—that had never existed. When questioned by the judge, the attorney was forced to admit he hadn't verified the AI's output, resulting in professional embarrassment and sanctions. This is just one high-profile example of AI hallucinations—instances where artificial intelligence systems confidently generate information that has no basis in reality. As AI becomes increasingly embedded in our daily lives and professional workflows, understanding this phenomenon has never been more important. What Are AI Hallucinations? When large language models (LLMs) like GPT-4, Claude, or Gemini "hallucinate," they're not experiencing anything like human hallucinations. There's no consciousness being deceived, no sensory perception gone awry. What's h...