Physicists make first 3D measurements of proton’s internal structure https://www.nature.com/articles/d41586-018-05186-x https://www.nature.com/articles/d41586-

Physicists make first 3D measurements of proton’s internal structure https://www.nature.com/articles/d41586-018-05186-x https://www.nature.com/articles/d41586-018-05186-x In short, this is a new type of "electron microscopy" for 3D imaging of sub-atomic particles. Very exciting!