Lecture
This lecture introduces the Actor Model, which represents objects and their interactions based on the laws of physics. It explains that actors are objects with identity, behavior, and interact using asynchronous message passing. The lecture covers the Actor Trait, creating simple actors, making actors stateful, sending messages between actors, changing an actor's behavior, creating and stopping actors, and an example of an actor application. It emphasizes the importance of actors' behavior and how they can send messages, create new actors, and define their behavior for the next message.