CalHacks, a hackathon event held in San Francisco from October 27-29, featured over 1000 students from around the world participating in various projects. With $137,650 in prize money and sponsor awards, several innovative projects were awarded for their use of Milvus, an open-source vector database. The winning project, Second Search, utilized Milvus to search lecture videos by embedding video caption text into vectors and returning relevant sections based on user queries. Other notable projects included Jarvis, which described visual scenes to visually impaired users, an AI 911 agent that assessed emergency situations, and Mental Maps, a chatbot for mental well-being tracking.