The upcoming movie "Oppenheimer" is a historical drama about the life of J. Robert Oppenheimer, the scientist who led the Manhattan Project to develop the atomic bomb. The film is directed by Christopher Nolan and stars Cillian Murphy as Oppenheimer.

The film is still in production, so there are many terms that may be unfamiliar to viewers. Here is a glossary of some of the key terms that will be used in the film:

• Manhattan Project: The codename for the American research and development effort that produced the first atomic bomb during World War II.
• Los Alamos: The secret city in New Mexico where the Manhattan Project was headquartered.
• Trinity Test: The codename for the first detonation of an atomic bomb, which took place in New Mexico in July 1945.
• Fat Man: The codename for the atomic bomb that was dropped on Nagasaki, Japan, in August 1945.
• Little Boy: The codename for the atomic bomb that was dropped on Hiroshima, Japan, in August 1945.
• Uranium-235: A radioactive isotope of uranium that is fissionable, meaning that it can split, releasing a large amount of energy.
• Plutonium-239: A radioactive Oppenhiemer full movie for free 2023 of plutonium that is also fissionable.
• Critical mass: The minimum amount of fissile material needed to sustain a nuclear chain reaction.
• Implosion: A method of detonating an atomic bomb by compressing the fissile material to critical mass.
• Fission: The process of splitting an atom, releasing a large amount of energy.
• Fusion: The process of combining two atoms, releasing a large amount of energy.
• Nuclear weapons: Weapons that use the energy released from nuclear fission or fusion to cause an explosion.

These are just a few of the key terms that will be used in the movie "Oppenheimer." The film is sure to be a complex and thought-provoking exploration of the development of the atomic bomb and its implications for the world.

The movie is not yet released, so there is no way to watch it for free. It is scheduled to be released in July 2023. However, you can learn more about the film by reading articles and watching trailers online.