News tagged with metal clusters

The dance of the atoms

(Phys.org) —Catalysts can stop working when atoms on the surface start moving. At the Vienna University of Technology, this dance of the atoms could now be observed and explained.

Jun 10, 2013
4.5 / 5 (2) 0 | with audio podcast

Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such metal-poor stars are (s ...

Feb 25, 2013
4.5 / 5 (19) 15

Hubble sees cosmic riches

(Phys.org)—This dazzling image shows the globular cluster Messier 69, or M 69 for short, as viewed through the NASA/ESA Hubble Space Telescope. Globular clusters are dense collections of old stars. In this ...

Oct 07, 2012
5 / 5 (8) 0 | with audio podcast

Charge separation in silver clusters

Center for Nanoscale Materials (CNM) users from the Ecole Polytechnique Federale de Lausanne in Switzerland, working with the Argonne National Laboratory's CNM Nanophotonics Group, have demonstrated the existence of long-lived char ...

Aug 09, 2012
5 / 5 (1) 0

Globular clusters on a plane

Globular clusters are generally some of the oldest structures in our galaxy. Many of the most famous ones formed around the same time as our galaxy, some 13 billion years ago. However, some are distinctly ...

Sep 23, 2011
5 / 5 (1) 5