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.

Why is our Universe the way it is, and not some other way? There are only three things that make it so: the laws of nature themselves, the fundamental constants governing reality, and the initial ...

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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 ...

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 ...

Since the beginning of time, human beings have sought to understand what the universe and everything within it is made up of. And while ancient magi and philosophers conceived of a world composed of ...

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 search for extraterrestrial life is one of the most exciting frontiers in astronomy, and the recent detection of a potential biosignature in the atmosphere of Venus has now raised the possibility ...

As fundamental constants go, the speed of light, c, enjoys all the fame. Yet c’s numerical value says nothing about nature; it differs depending on whether it’s measured in meters per second or miles ...