In my previous blog, Reading the tea leaves, I stated that: “it is impossible to divide an atom in two while maintaining a non-explosive environment”. John Michael Williams, Senior Adjunct Faculty at ...

The need for a physical constant quantifying a reference amount of substance is a manifestation of the atomic nature of matter. At the basis of the concept of a 'quantity constant' lies the law of ...

This press release is available in German. Glass fiber cables are indispensable for the internet – now they can also be used as a quantum physics lab. The Vienna University of Technology is the only ...

Physicists with the international ALPHA Collaboration at CERN in Geneva have succeeded in storing a total of 309 antihydrogen atoms, some for as long as 1,000 seconds (almost 17 minutes) or even ...

Chris Jeynes works for the University of Surrey Ion Beam Centre which receives funding from the Engineering and Physical Sciences Research Council and others for ion implantation and ion beam analysis ...

Counting Atoms That Aren't There, In Stars That No Longer Exist Date: January 30, 2004 Source: Argonne National Laboratory Summary: Argonne scientists, in collaboration with colleagues at the ...

Project Avogadro seeks to change the definition of a kilogram from the weight of a hunk of metal that currently resides in France to a measurement based on fundamental constants (like every other unit ...

Like bakers measuring the exact same amount of flour every time they made bread, physicists at The University of Texas at Austin have used a laser trap to consistently capture and measure the same ...

Having read your very interesting article on the problems of creating a standard kilogram, I was left with a sense of “What’s the problem?” (22 February, p 32). If we go back to the definition of a ...