Different atoms and ions possess characteristic energy levels. Like a fingerprint, they are unique for each species. Among ...

Holger Müller is in the Department of Physics, University of California, Berkeley, Berkeley, California 94720, USA. However, the recoil energy is tiny and therefore hard to measure. Laser-based ...

A team of researchers in Austria has recently demonstrated that the world’s first nuclear clock could help answer whether the fine-structure constant changes over time. The scientists from the Vienna ...

Flatpack solution: schematic of a Z-shaped graphene electrode sandwiched between two thin layers of boron nitride (green slabs). The ultracold atoms are represented by the red cloud. (Courtesy: K.

Where the electrons hang out: This image depicts the radium atom’s pear-shaped nucleus of protons and neutrons in the centre, surrounded by a cloud of electrons (yellow), and an electron (yellow ball ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue visits The Verdin Company, a manufacturer of bells, to learn about bronze. Find out how copper ...