This is the first X-ray taken of a single atom

SX-STM enables detection of type of atom, simultaneous measurement of its chemical state.

https://arstechnica.com/science/2023/05/this-is-the-first-x-ray-taken-of-a-single-atom/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social