The positions of all the atoms in a sample of a metallic glass have been measured experimentally — fulfilling a decades-old dream for glass scientists, and raising the prospect of fresh insight into ...

Explore the fascinating world of atoms in this 3D animated video. Discover the structure of atoms, including protons, neutrons, and electrons, as well as their significance in the universe.

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In classical physics, anything driven hard enough will eventually heat up, lose coherence, and settle into disorder. A new ...

The Bohr model, introduced by Danish physicist Niels Bohr in 1913, was a key step on the journey to understand atoms. Ancient Greek thinkers already believed that matter was composed of tiny basic ...

In 1923, the year C&EN was born, Gilbert N. Lewis of the University of California, Berkeley, published a book titled “Valence and the Structure of Atoms and Molecules.” In the text, Lewis laid out the ...

The ancient Greek and Indian philosophers who first conjectured that matter was made of tiny little bits of stuff would not believe that now, more than 25 centuries later, we can actually see them.

The big idea of atomic theory is that, at some smallest, fundamental level, the matter that makes up everything can be divided no further. Those ultimate building blocks would be literally ἄ-τομος, or ...