The simplicity of a hydrogen atom makes it an ideal model for studying atomic structure and interactions. Yet, despite the ...

Graphite surface microscopic image and valence band structure together with atomic structure models. News organizations may use or redistribute this image, with proper attribution, as part of news ...

Cryo-electron microscopy has exposed the structure of a bacterial virus with unprecedented detail. This is the first structure of a virus able to infect Staphylococcus epidermidis, and high-resolution ...

In the air people breathe, the water on Earth, the stars in the sky and more, atoms are the building blocks that make up the ...

NMAH copy purchased with funds from the S. Dillon Ripley Endowment. This comprehensive scientific history presents for the first time a detailed and comprehensive study of the Bohr atom in all its ...