In the video, a man with long hair and a beard is standing in front of a blackboard. He is wearing a red shirt and is holding a marker in his hand. The blackboard has the equation \"Q = 0T^4\" written on it, and the man is explaining the equation. He points to the equation and uses his hands to emphasize his points as he speaks. The background of the video is a starry night sky, which adds to the overall theme of the video. The man appears to be knowledgeable and confident in his explanation of the equation.