In the video, a man is standing on a stage wearing a lab coat, safety goggles, and gloves. He is holding a microphone in one hand and a balloon in the other. The man appears to be giving a presentation or a speech. He is speaking into the microphone while gesturing with the balloon. The background of the stage has a large red sign with the letters \"TED\" on it, indicating that this is likely a TED Talk event. The man seems to be engaging with the audience, possibly explaining a scientific concept or demonstrating a scientific principle with the balloon.