Experience the official Oppenheimer trailer in this YouTube demo for the Joomla Video Player. Directed by Christopher Nolan, the film explores the life of physicist J. Robert Oppenheimer and the development of the atomic bomb during World War II. This demo highlights seamless YouTube video embedding, responsive playback, fullscreen support, and an optimized viewing experience across desktop and mobile devices. It is intended to demonstrate the YouTube integration capabilities of the Joomla Video Player.